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      Contractor-grade plastic shims for level, plumb window and door installations.

      Why choose this brand

      • Made in USA craftsmanship you can trust
      • Purpose-built designs that solve real problems
      • Easy to use and built to last
      12 products
      Glazelock Interlocking Shim 4 Square U-shaped Horseshoe Plastic 4 x 3 with 7/8 Slot - Shims Made in USA
      Glazelock Interlocking Shim 4 Square U-shaped Horseshoe Plastic 4 x 3 with 7/8 Slot - Shims Made in USA
      Glazelock Interlocking Shims 4" x 3" - Square U-shaped Horseshoe, Heavy-Duty Stackable Plastic Shims, Made in USA
      from $18.99
      Glazelock Snap-off Shim Stackable Horseshoe Plastic Flat Shims 1 7/8 with 5/8in Slot Made in USA
      Glazelock Snap-off Shim Stackable Horseshoe Plastic Flat Shims 1 7/8 with 5/8in Slot Made in USA
      Glazelock Snap-off Stackable Shims 1-7/8"W - 5/8" Slot, Horseshoe Plastic Leveling Shims, Made in USA
      from $45.99
      Glazelock Flat Plate Shims Plastic 2in x 4‚in(sheets of 12) - Shims made in USA
      Glazelock Flat Plate Shims Plastic 2in x 4‚in(sheets of 12) - Shims made in USA
      Glazelock Window Door Installation Shims - Professional Plastic Leveling Shims, Multiple Colors & Thicknesses, Made in USA
      from $42.99
      Glazelock Square Shim 4in Horseshoe Plastic Flat Shims 4in x 3in with 7/8in Slot - Shims made in USA
      Glazelock Square Shim 4in Horseshoe Plastic Flat Shims 4in x 3in with 7/8in Slot - Shims made in USA
      Glazelock Square Horseshoe Shims 4" x 3" - 7/8" Slot, Heavy-Duty Plastic Leveling Shims, Made in USA
      from $74.49
      Glazelock U-shaped Shim 3.5Horseshoe Plastic Flat Shims 3-1/2‚ x 1-1/2 with 1/ 2 Slot - Shims Made in usa
      Glazelock U-shaped Shim 3.5Horseshoe Plastic Flat Shims 3-1/2‚ x 1-1/2 with 1/ 2 Slot - Shims Made in usa
      Glazelock U-shaped Horseshoe Shims 3-1/2" x 1-1/2" - 1/2" Slot, Extended Plastic Leveling Shims, Made in USA
      from $14.49
      Glazelock Interlocking Shim 3 U -shaped Horseshoe Plastic 3 x 1-1/2 with 1/ - Shims Made in USA
      Glazelock Interlocking Shim 3 U -shaped Horseshoe Plastic 3 x 1-1/2 with 1/ - Shims Made in USA
      Glazelock Interlocking Shims 3" x 1-1/2" - U-shaped Horseshoe, Stackable Plastic Leveling Shims, Made in USA
      from $13.99
      Sold Out
      Glazelock Shim 4 3/16 x 1 7/8‚ with 5/8‚ Slot Mini Snap-off Stackable Square Horseshoe Plastic Flat Shims
      Glazelock Shim 4 3/16 x 1 7/8‚ with 5/8‚ Slot Mini Snap-off Stackable Square Horseshoe Plastic Flat Shims
      Glazelock Snap-off Stackable Shims 4 3/16" x 1 7/8" - Horseshoe Plastic Leveling Shims, Made in USA
      from $69.99
      Glazelock Natural Pine Wood Shims 8in x 1-1/4in x 3/8in Shims Made in USA
      Glazelock Natural Pine Wood Shims 8in x 1-1/4in x 3/8in Shims Made in USA
      Glazelock Natural Pine Wood Shims 8" x 1-1/4" x 3/8" - Window Door Leveling Shims, Made in USA
      from $19.49
      Glazelock WL02 Wedgelock Shims Plastic Black IN x 1-1/2IN x 5/16IN 288pc/box. - Shims
      Glazelock WL02 Wedgelock Shims Plastic Black IN x 1-1/2IN x 5/16IN 288pc/box. - Shims
      Glazelock WL02 Wedgelock Shims 8" x 1-1/2" x 5/16" - 288pc Box, Black Plastic Leveling Shims, Made in USA
      $63.99
      Glazelock U-shaped Shim 3in Horseshoe Plastic Flat Shims 3‚in x 2 5/16‚in with 3/4in Slot - Shims Made in usa
      Glazelock U-shaped Shim 3in Horseshoe Plastic Flat Shims 3‚in x 2 5/16‚in with 3/4in Slot - Shims Made in usa
      Glazelock U-shaped Horseshoe Shims 3" x 2-5/16" - 3/4" Slot, Plastic Leveling Shims, Made in USA
      from $17.49
      Glazelock GL-H8 Tapered Wedge Shims Black 1-1/2in x 7-3/4‚in - Shims made in USA
      Glazelock GL-H8 Tapered Wedge Shims Black 1-1/2in x 7-3/4‚in - Shims made in USA
      Glazelock GL-H8 Tapered Wedge Shims 1-1/2" x 7-3/4" - Black Plastic Leveling Shims, Made in USA
      from $44.99
      Glazelock U-shaped Shim 2 Horseshoe Plastic Flat Shims 2 x 1 1/2‚ with 1/2‚ Slot - Shims Madee in usa
      Glazelock U-shaped Shim 2 Horseshoe Plastic Flat Shims 2 x 1 1/2‚ with 1/2‚ Slot - Shims Madee in usa
      Glazelock U-shaped Horseshoe Shims 2" x 1-1/2" - 1/2" Slot, Compact Plastic Leveling Shims, Made in USA
      from $12.99

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