Glazelock® Interlocking U Shims 4" x 3" | Heavy-Duty 7/8" Slot

Three glazelock shims in red blue and black heavy-duty interlocking u shims with 7/8 inch slot 4 by 3 inches

Dark gray matte glazelock shims made of plastic u shaped tool with circular cutouts for heavy-duty interlocking use

Red plastic heavy-duty glazelock shims with u-shaped design and circular indentations for 7/8 slot installation

Blue plastic glazelock heavy-duty interlocking u shim with made in usa label and circular indentations

Glazelock shims including heavy-duty interlocking u shims 4x3 inches 7/8 slot in red blue and wood colors

Glazelock heavy-duty interlocking u shims in blue red and black stackable horseshoe design for precise leveling

Glazelock heavy-duty black plastic interlocking u shims with textured ribbed surface for secure installation 4x3 inches

Red blue and black glazelock heavy-duty interlocking u shims made of plastic with 7/8 inch slot for construction use

Dark gray metallic glazelock shims u-shaped weight plate with circular indentations and central screw holes

Dark gray metallic glazelock heavy-duty interlocking u shims with circular indentations and central screw holes

Red plastic heavy-duty glazelock shims u-shaped tool with circular indentations and central protrusion for interlocking use

Red plastic glazelock heavy-duty interlocking u shims with circular indentations and central protrusion 4 x 3 inches

Blue plastic glazelock heavy-duty interlocking u shims with circular indentations and made in usa label

Red plastic glazelock heavy-duty interlocking u shim with circular indentations and central protrusion for secure fitting

Dark gray matte plastic glazelock shims u-shaped tool with circular cutouts and edge holes for heavy-duty interlocking use

Blue plastic glazelock heavy duty interlocking u shim with made in usa label and circular indentations for precise fitting

Blue plastic glazelock heavy-duty interlocking u shim with made in usa label and circular indentations for 7/8 inch slot

$34.58

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Made in USA

Glazelock® Interlocking U Shims — 4" x 3", 7/8" Slot | Made in USA

Glazelock® Interlocking U Shims combine heavy-duty 4" x 3" dimensions with innovative interlocking technology. The large 7/8" slot accommodates bigger pipes, bolts, and hardware, while the interlocking design locks stacked shims together to prevent shifting during installation. Available in red, blue, and black. Made in USA.

Key Specifications

Dimensions: 4" x 3"
Slot: 7/8"
Shape: Square U-shaped (horseshoe)
Design: Interlocking — shims lock together when stacked
Material: Heavy-duty plastic
Colors: Red, blue, black
Origin: Made in USA

Key Benefits

Interlocking Design — Shims lock together to prevent shifting during installation
Heavy-Duty 4" x 3" — Maximum load-bearing capacity for demanding applications
Large 7/8" Slot — Accommodates larger pipes, bolts, and anchor hardware
Color-Coded — Red, blue, black for easy thickness identification
Made in USA — Consistent quality since 1997

Perfect For

Heavy window and commercial door installation
Industrial machinery leveling
Structural and load-bearing applications
Multi-level stacking requiring secure connections
Commercial and industrial construction projects

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FAQs

What are Glazelock shims used for? +

Glazelock interlocking plastic shims are used for leveling and aligning windows, doors, frames, and other construction applications. Their interlocking design locks stacked shims together to prevent shifting during and after installation.

What makes Glazelock different from regular shims? +

Glazelock shims feature a patented interlocking design that locks stacked shims together so they won't shift or slide out of position — a common problem with standard plastic or wood shims.

Are Glazelock shims Made in USA? +

Yes. Glazelock shims have been Made in the USA since 1997.

What slot width does this Glazelock shim have? +

This 4" x 3" Glazelock shim features a 7/8" slot, accommodating larger pipes, bolts, and hardware than standard 1/2" slot shims.

Are Glazelock shims color-coded? +

Yes. Glazelock shims are color-coded by thickness (red, blue, black) for easy identification during installation, saving time on the job site.

Glazelock® Heavy-Duty Interlocking U Shims — 4" x 3" | 7/8" Slot

Glazelock® Interlocking U Shims — 4" x 3", 7/8" Slot | Made in USA

Key Specifications

Key Benefits

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Glazelock® Heavy-Duty Interlocking U Shims — 4" x 3" | 7/8" Slot

Glazelock® Interlocking U Shims — 4" x 3", 7/8" Slot | Made in USA

Key Specifications

Key Benefits

Perfect For

14-Day Returns

Secure Checkout

Hear it from them

Customer Reviews

FAQs

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