Glazelock® Square Horseshoe Shims — 4" x 3" | 7/8" Slot

Heavy-Duty Square Design for Maximum Stability

Glazelock Square Horseshoe Shims deliver maximum stability with robust 4" x 3" dimensions. Featuring a large 7/8" slot, these heavy-duty plastic shims provide superior support for demanding construction applications. Invented by a window installer and made in the USA since 1997.

Key Benefits:

• Heavy-Duty Dimensions: 4" x 3" size provides maximum stability and load distribution
• Large Slot Opening: 7/8" slot accommodates larger pipes, bolts, and hardware
• Square Design: Enhanced stability compared to traditional horseshoe shapes
• Superior Load Bearing: Robust construction handles heavy-duty applications
• Professional Grade: Trusted by contractors since 1997 for reliable performance
• Versatile Applications: Perfect for windows, doors, cabinets, and industrial use
• Made in USA: Superior manufacturing quality and consistency

Perfect For:

• Heavy Window Installation: Maximum support for large commercial windows
• Industrial Door Projects: Heavy-duty shimming for commercial and industrial doors
• Large Cabinet Installation: Superior support for heavy cabinet systems
• Industrial Machinery: Level heavy equipment and machinery bases
• Structural Applications: Heavy-duty construction and framing projects
• Commercial Construction: Professional-grade support for demanding projects

Why Choose Square Heavy-Duty Shims? The 4" x 3" square design provides maximum contact area and stability for heavy-duty applications. The large 7/8" slot accommodates bigger hardware while the robust construction ensures reliable performance under heavy loads.

Build with maximum stability using heavy-duty square shims - choose Glazelock.