By Kevin Cody | Founder & CEO, FLI Products / Mary Joan Isorena, Communications
Published: 09/03/2026

Choosing a knife blade protector starts with a simple question: Will it actually fit your knife?
For the Blade Guard™ 8-Inch, blade length is an important starting point—but it is not the only factor that matters.
The Blade Guard™ 8-Inch Locking Knife Blade Edge Protector is designed for blades up to 8 inches long. The 8-Inch is associated with full-size kitchen knives such as chef's knives and santoku knives, with carving knives also identified as an application for this size.
But a knife having an 8-inch blade does not automatically mean it will fit.
Blade width, thickness, shape, curvature, and overall blade geometry can affect how a knife sits inside a protector and whether the hinged body closes and locks as intended.
FLI has not published universal maximum heel-width or blade-thickness specifications for the Blade Guard 8-Inch. That means blade length should be treated as the starting point rather than the complete fit decision.
This guide explains what the Blade Guard 8-Inch is designed for, how to evaluate your knife before choosing it, how the protector works, and where this size can be useful for storage and transport.
Key Takeaways
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The Blade Guard 8-Inch is designed for blades up to 8 inches long.
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Chef's knives and santoku knives are key applications for this size, with carving knives also associated with the 8-Inch.
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Blade length alone does not guarantee fit.
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Blade width, thickness, shape, curvature, and overall geometry can affect compatibility.
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FLI has not published a universal maximum heel-width specification for the 8-Inch.
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FLI has not published a universal maximum blade-thickness specification for the 8-Inch.
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The protector uses a fully enclosed hinged body, secure locking tabs, and dual rubber stops.
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It is made from BPA-free, food-safe polypropylene and is dishwasher safe.
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The Transparent version has a frosted/translucent appearance that allows the blade inside to remain visible without opening the guard.
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Supported applications include kitchen storage, knife transport, camping and outdoor cooking, RV use, boating and fishing environments, backpacks, cooler bags, and related travel situations.
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Blade Guard is Made in the USA.
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One Blade Guard is intended for one compatible knife.
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Individual customer experiences can provide useful context, but they do not establish universal compatibility.
What Is the Blade Guard™ 8-Inch?
The Blade Guard 8-Inch is a hinged, locking knife blade protector designed to enclose the blade of a compatible knife during storage and transport.
The knife blade is positioned inside the open guard. The hinged body then closes around the blade, and locking tabs secure the protector in its closed position. The 8-Inch model also incorporates dual rubber stops.
When properly fitted, the enclosed design covers the blade edge and tip rather than leaving them exposed.
The 8-Inch is one of several sizes in the Blade Guard family. Blade Guard is available in 4-inch, 6-inch, 8-inch, and 10-inch sizes, as well as a multi-size Chef's Set.
The 8-Inch is particularly relevant for compatible chef's knives, santoku knives, carving knives, and other similarly sized kitchen blades that need protection during storage or transport.
What Knives Is the Blade Guard 8-Inch Designed For?
The Blade Guard 8-Inch is designed for blades up to 8 inches long.
Knife types associated with the 8-Inch include:
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Chef's knives
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Santoku knives
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Carving knives
These categories are useful starting points, but they should not be interpreted as universal fit guarantees.
An 8-inch chef's knife can have a very different blade profile from an 8-inch santoku knife. A carving knife may be narrower and shaped differently from either one.
Even two chef's knives with the same nominal blade length can differ substantially in width, thickness, curvature, and overall geometry.
The individual knife—not simply the knife category or the length printed on its packaging—is what ultimately needs to be evaluated.
Will an 8-Inch Blade Guard Fit Eimavery 8-Inch Knife?
No.
A knife having a blade that measures 8 inches or less satisfies the basic blade-length requirement, but that alone does not establish compatibility.
Several physical characteristics can affect fit:
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What to Check |
Why It Matters |
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Blade length |
The 8-Inch is designed for blades up to 8 inches long. |
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Blade width |
Chef's knives, santoku knives, carving knives, and other blades can have very different widths. |
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Blade thickness |
Thickness can affect how the knife sits inside the closed protector. |
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Blade profile |
Different knife styles can have substantially different shapes even at the same nominal length. |
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Curvature |
The cutting edge, spine, and tip geometry can affect how the blade sits inside the guard. |
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Overall geometry |
The blade must sit properly inside the protector so the hinged body can close and lock as intended. |
FLI has not published a universal maximum heel-width specification for the Blade Guard 8-Inch.
FLI also has not published a universal maximum blade-thickness specification for this model.
The practical approach is to evaluate the actual knife rather than assuming that every blade measuring 8 inches or less will automatically fit.
How Should You Check Your Knife?
Start by measuring the blade itself, not the knife's total length including its handle.
The Blade Guard 8-Inch is designed for blades up to 8 inches long. If the blade is longer than 8 inches, it falls outside the stated blade-length guidance for this model.
If the blade is 8 inches or shorter, continue evaluating its physical dimensions and shape.
Look at the width of the blade from the heel toward the tip.
Consider its thickness.
Look at the overall profile and curvature.
Also consider how the blade transitions toward the handle and whether any part of its geometry could interfere with the guard closing properly.
These questions are particularly important with the types of knives associated with the 8-Inch model.
A chef's knife may have a broad blade and pronounced heel. A santoku knife can have a different spine and cutting-edge profile. A carving knife may be substantially narrower.
All three could have similar blade lengths while fitting differently inside the same protector.
The goal is not simply to find a guard with a number matching the nominal length of your knife. The goal is to choose a protector in which the actual blade can sit properly and the guard can close and lock as designed.
Why Do Width, Thickness, Shape, and Geometry Matter?
Knife fit is three-dimensional.
Blade length is easy to measure, which makes it a natural first step. But length alone cannot describe the complete shape of a knife.
Chef's knives can vary significantly in width and profile. Santoku knives have their own characteristic shapes, while carving knives are often shaped differently from both.
Thickness can vary as well.
Those differences matter because the Blade Guard closes around the blade.
Because no universal maximum heel-width or blade-thickness specification has been published for the 8-Inch model, the complete blade should be evaluated rather than assuming that any knife labeled “8-inch” will automatically fit.
How Does the Blade Guard 8-Inch Work?
The Blade Guard 8-Inch uses a fully enclosed hinged polypropylene body.
Open the guard, position the compatible knife blade inside, and close the hinged body around it.
Secure locking tabs help keep the protector closed. The design also incorporates dual rubber stops.
On the Transparent version, the frosted/translucent appearance allows the knife inside to remain visible without requiring you to open the guard simply to identify it.
Once properly fitted and closed, the protector encloses the blade edge and tip.

How Does It Help Protect a Knife Edge?
A loose knife can come into contact with other knives, utensils, and hard objects during storage.
Those contacts can contribute to edge damage.
By enclosing the blade, Blade Guard creates a physical barrier between the cutting edge and surrounding objects. This helps reduce direct contact that can contribute to nicks, chips, and dulling during storage and transport.
That can be particularly useful in a kitchen drawer, knife bag, backpack, cooler, RV storage area, or another environment where equipment may shift or come into contact with other objects.
The enclosed design can also help reduce accidental contact with an exposed cutting edge.
Blade Guard does not make a knife harmless or eliminate the need for careful handling. Knives should always be stored and transported responsibly.
FLI has not established a specific quantified increase in blade lifespan from using the product.
Can You Use the 8-Inch Blade Guard in a Kitchen Drawer?
Yes.
Kitchen drawer storage is one of the documented applications for Blade Guard.
For people who keep compatible knives in drawers rather than a traditional knife block, individually enclosing a blade can help separate its cutting edge from surrounding utensils, knives, and other hard objects.
It also means the sharp edge and tip are not left openly exposed when someone reaches into the drawer.
The 8-Inch is particularly relevant when the knife being stored is a compatible chef's knife, santoku knife, carving knife, or another appropriately sized blade.
Can You Use It in a Knife Roll or Bag?
Yes.
Blade Guard is designed for knife storage and transport.
A compatible knife can be enclosed before it is placed into an appropriate knife roll, bag, tote, or other storage system. The guard provides individual coverage around the blade while the knife is being carried.
This can be particularly useful for cooks who transport their own knives rather than keeping them permanently in one kitchen.
Fit remains important even when the Blade Guard is being used inside another storage system. A knife roll or bag does not change the dimensions of the blade or the need for the protector to close properly.
Is the 8-Inch Blade Guard Useful for Camping and Outdoor Cooking?
Yes.
Camping and outdoor cooking are documented applications for Blade Guard.
A compatible chef's knife, santoku knife, carving knife, or other appropriately sized food-preparation knife can be enclosed before being packed with cooking equipment for outdoor use.
The 8-Inch can be useful for campers and outdoor cooks who need to transport full-size kitchen knives away from home.
The protector can be used with an appropriate backpack, cooler bag, cooking kit, or other storage arrangement.
As with any application, the knife must first fit the 8-Inch guard properly.
Can You Use the Blade Guard 8-Inch in an RV?
Yes.
RV use is a documented Blade Guard application.
Because an RV moves, items stored in drawers and compartments can shift during travel. A properly fitted Blade Guard keeps the compatible knife blade enclosed while stored.
Customer experiences with Blade Guard also include use in RV drawers while traveling.
The Blade Guard should still be part of an appropriate storage arrangement. It does not replace the need to secure objects properly inside a moving vehicle.
Can You Use the 8-Inch Blade Guard for Boating or Fishing?
Yes.
Blade Guard is also positioned for boating and fishing environments, including storage in tackle bags, coolers, and onboard storage.
The 8-Inch is especially relevant when the knife being protected is a compatible full-size food-preparation knife.
If you are protecting a different type of knife for fishing or boating, compatibility still depends on the actual blade length and geometry.
The environment in which a knife is used does not determine fit.
A knife still needs to sit properly inside the guard and allow the hinged body to close and lock as intended.
Can You Travel With the Blade Guard 8-Inch?
Blade Guard is designed for storage and transport, and supported applications include travel, bags, camping equipment, RV use, and other situations in which compatible knives need to be carried.
The guard can help keep a compatible knife blade enclosed while it is being transported.
However, a blade protector does not determine whether carrying a particular knife is permitted.
When traveling, always follow applicable laws and the rules of airlines, transportation providers, workplaces, parks, campgrounds, venues, or other locations governing knife possession and transport.
What Do Customer Experiences Tell Us?
Customer feedback provides useful examples of how people use Blade Guard in real-world storage and transport situations.
One verified 8-Inch purchaser reported using the protector with an 8-inch Zwilling knife.
Another 8-Inch customer described the rubber pieces gripping the blade and using the protector when carrying a knife in a bag.
A verified 8-Inch purchaser who first encountered Blade Guard in a commercial kitchen described knives being stored individually in a drawer and later used the product to transport a chef's knife in a backpack. That customer also noted the locking closure and rubber stops.
Customer experiences are not all identical. One 8-Inch purchaser reported receiving guards with a gap at the tip and defective rubber pieces.
These experiences illustrate why individual fit, condition, and proper use matter.
The broader Blade Guard review pool also includes feedback for other product sizes. An experience with a 6-Inch or 10-Inch model does not establish whether a particular knife will fit the 8-Inch.
Likewise, a successful fit with one particular 8-inch knife does not mean every knife with the same nominal blade length, category, or brand will fit.
Individual knife dimensions and geometry remain the best basis for determining compatibility.
What Is the Blade Guard 8-Inch Made From?
The Blade Guard 8-Inch is made from BPA-free, food-safe polypropylene and incorporates dual rubber stops as part of its design.
It is also dishwasher safe, making cleanup straightforward after kitchen or outdoor food-preparation use.
The product is Made in the USA.
Blade Guard is manufactured in Rockfall, Connecticut by a family-owned facility with more than 135 years of production history.
What Colors Does the Blade Guard 8-Inch Come In?
The current Blade Guard 8-Inch assortment includes:
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Transparent
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Grey
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Blue
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Khaki
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Yellow
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Black
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Red
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Orange
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Green
The Transparent version has a frosted/translucent appearance that allows the blade inside to remain visible while the protector is closed.
Color availability may change, so check the current product page when selecting a specific color.
How Many Knives Does One Blade Guard Hold?
One individual Blade Guard is intended to cover one compatible knife.
If you have several knives that need individual blade protection, each knife should have its own appropriately sized protector.
How Do You Choose the Right Blade Guard Size?
Blade Guard is available in multiple sizes so the protector can be matched more closely to the knife being stored.
The Blade Guard family includes 4-inch, 6-inch, 8-inch, and 10-inch sizes, along with the multi-size Chef's Set.
For the 8-Inch model:
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Measure the blade length.
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Confirm that it does not exceed 8 inches.
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Consider the width and profile of the blade.
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Consider blade thickness.
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Look at curvature and overall blade shape.
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Consider how the blade transitions toward the handle.
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Make sure the blade can sit properly inside the protector so the hinged body can close and lock as intended.
The correct Blade Guard is determined by the actual knife—not simply by its category, brand, or nominal blade length.
Who Is the Blade Guard 8-Inch For?
The Blade Guard 8-Inch is intended for people who need individual blade coverage for a compatible knife with a blade up to 8 inches long.
Its supported applications make it particularly relevant for:
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Home cooks storing compatible chef's knives in drawers
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Users of compatible santoku knives
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Users of compatible carving knives
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Professional or commercial-kitchen users transporting compatible knives
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Campers and outdoor cooks
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RV owners
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Boat owners and people preparing food in outdoor or marine environments
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People transporting compatible knives in appropriate knife rolls, bags, backpacks, coolers, or other storage systems
The activity or knife category alone does not establish compatibility.
The individual knife still needs to fit.
Frequently Asked Questions
1. What does “8-Inch” mean on the Blade Guard 8-Inch?
The Blade Guard 8-Inch is designed for knife blades up to 8 inches long. The size refers to blade-length guidance, not the knife's total length including the handle.
2. What types of knives is the Blade Guard 8-Inch designed for?
Chef's knives and santoku knives are key applications for the 8-Inch model. Carving knives are also associated with this size.
Individual fit still depends on the knife's actual dimensions and geometry.
3. Will every knife with an 8-inch blade fit?
No.
A blade measuring 8 inches or less satisfies the basic length guidance, but blade width, thickness, profile, curvature, and overall geometry can also affect fit.
4. Is there a maximum heel width for the Blade Guard 8-Inch?
FLI has not published a universal maximum heel-width specification for the Blade Guard 8-Inch.
The individual blade should be evaluated for proper fit.
5. Is there a maximum blade-width specification?
FLI has not published a universal maximum blade-width specification for the Blade Guard 8-Inch.
Blade width can still affect compatibility, so the individual knife should be evaluated.
6. What is the maximum blade thickness?
FLI has not published a universal maximum blade-thickness specification for the Blade Guard 8-Inch.
Thickness can still affect fit, so the individual knife should be evaluated.
7. Can I use the 8-Inch Blade Guard with a chef's knife?
Yes, provided the individual knife fits properly. Chef's knives are a key application for the 8-Inch model.
8. Can I use it with a santoku knife?
Yes, if the individual santoku knife fits. Santoku knives are also associated with the 8-Inch model.
9. Can I use it with a carving knife?
Yes, if the individual carving knife fits properly. Carving knives are identified as an application for the 8-Inch model.
10. Does the Blade Guard fully cover the blade?
When a compatible knife is properly fitted and the guard is closed, the hinged design encloses the blade edge and tip.
11. Does the Blade Guard 8-Inch lock closed?
Yes. The 8-Inch uses secure locking tabs and dual rubber stops.
12. Can I use it in a kitchen drawer?
Yes. Kitchen drawer storage is a documented application.
13. Can I use it in a knife roll or bag?
Yes. Blade Guard is designed for storage and transport, including use with appropriate knife rolls, bags, and other storage systems.
14. Can I use it for camping and outdoor cooking?
Yes. Camping and outdoor cooking are documented applications.
15. Can I use it in an RV?
Yes. RV storage and travel are documented Blade Guard applications.
16. Can I use it for boating or fishing?
Yes. Blade Guard is positioned for boating and fishing environments, including tackle bags, coolers, and onboard storage. The individual knife must still fit the 8-Inch protector properly.
17. Does Blade Guard guarantee that I cannot accidentally cut myself?
No.
The enclosed design helps reduce accidental contact with an exposed blade when properly fitted and used, but careful knife handling and responsible storage remain necessary.
18. Will Blade Guard keep my knife sharp longer?
Covering a compatible blade helps reduce direct contact with other knives, utensils, and hard objects that can contribute to nicks, chips, and dulling during storage and transport.
FLI has not established a specific quantified increase in blade life.
19. Is the Blade Guard 8-Inch dishwasher safe?
Yes.
20. Is it BPA-free and food-safe?
Yes. The Blade Guard 8-Inch is made from BPA-free, food-safe polypropylene.
21. Can I see the knife through the Blade Guard?
The Transparent version has a frosted/translucent appearance that allows the blade inside to remain visible without opening the guard.
Visibility should not be assumed to be the same across every available color.
22. What colors are currently available?
The current assortment includes Transparent, Grey, Blue, Khaki, Yellow, Black, Red, Orange, and Green.
23. How many knives does one Blade Guard hold?
One compatible knife per individual Blade Guard.
24. Is the Blade Guard 8-Inch Made in the USA?
Yes. The Blade Guard 8-Inch is Made in the USA.
Is the Blade Guard 8-Inch Right for Your Knife?
The Blade Guard 8-Inch is designed for blades up to 8 inches long and is particularly relevant for compatible chef's knives, santoku knives, and carving knives.
But the number printed on the guard should not be the only factor in your decision.
Blade width, thickness, profile, curvature, shape, and overall geometry can all affect fit.
FLI has not published universal maximum heel-width or blade-thickness specifications for the 8-Inch model.
If your knife falls within the stated blade-length guidance and sits properly inside the protector, the Blade Guard 8-Inch provides a fully enclosed, locking way to keep an individual blade covered during kitchen storage and transport, including camping, outdoor cooking, RV, boating, and related travel applications.
Where to Buy the Blade Guard™ 8-Inch
The Blade Guard™ 8-Inch Locking Knife Blade Edge Protector is available directly from FLI Products and through select retailers.
Shop the Blade Guard 8-Inch:
https://www.fliproducts.com/products/blade-guard-8
For the broader Blade Guard range and other available sizes:
Blade Guard Knife Blade Edge Guards Collection:
https://www.fliproducts.com/collections/blade-guard
Protect Your Chef's, Santoku, and Carving Knives During Storage and Transport
If you have a compatible chef's knife, santoku knife, carving knife, or another appropriately sized blade, the Blade Guard 8-Inch provides a fully enclosed, locking option for keeping that blade covered during storage and transport.
Start with blade length, then consider the complete width, thickness, shape, curvature, and geometry of your knife before choosing the size.
Shop the Blade Guard™ 8-Inch Locking Knife Blade Edge Protector at Fliproducts.com.
About Kevin Cody

Kevin Cody | Founder & CEO, FLI Products
Kevin Cody is the Founder and CEO of FLI Products and a product development, merchandising and retail industry veteran with more than 20 years of experience. His background includes merchandising leadership at The Home Depot as well as developing, sourcing, manufacturing, marketing and bringing consumer products to market through major retailers and online marketplaces.
Kevin works directly with manufacturers, inventors, retailers and consumers to develop practical products that solve everyday problems. His experience spans product design and development, retail merchandising, manufacturing, e-commerce, marketplace strategy and consumer product education.
Through the FLI Products Learning Center, Kevin shares practical, experience-based information designed to help consumers better understand products, solve problems and make informed purchasing decisions.
Read Full Bio: https://www.fliproducts.com/pages/meet-the-founder-kevin-cody
About FLI Products
FLI Products develops and markets practical consumer products designed to solve everyday problems at home, outdoors and on the job. Working directly with manufacturers, inventors and retailers, FLI Products focuses on thoughtful product design, practical functionality and useful solutions for consumers. Its products are available through Fliproducts.com and select major retailers and online marketplaces.
About FLI Products: https://www.fliproducts.com/pages/about-fli-products-company-values-and-mission
Sources & References
FLI Products — Blade Guard™ 10-Inch Locking Knife Blade Edge Protector
https://www.fliproducts.com/products/blade-guard-8
FLI Products — Blade Guard Knife Protection Hub
https://www.fliproducts.com/pages/blade-guard-hub
FLI Products — Knife Blade Guards for Safer Storage and Longer Lasting Blades
https://www.fliproducts.com/blogs/blade-guard/knife-blade-guards-for-safer-storage-and-longer-lasting-blades
FLI Products — The Ultimate Guide to Blade Guard
https://www.fliproducts.com/blogs/news/the-ultimate-guide-to-blade-guard-protecting-your-knives
FLI Products — Blade Guard Made in USA / Rogers Manufacturing
https://www.fliproducts.com/blogs/america250-made-in-usa/america250-blade-guard-made-in-usa-rogers-manufacturing
More Blade Guard Resources: Blade Guard Hub | Shop All Blade Guard