100 Pcs 1.77 Inch Plastic Washers - 45mm Polypropylene Foam Board Fasteners, Insulation Washers for Fixing and Fastening Rigid Foam and Load Spreading (A, 100)

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• Reliable Materials: These plastic washers are made of polypropylene material, waterproof, not easily deformed, and have good insulation, corrosion resistance, and temperature resistance, providing reliable working performance for various installation projects
• Precise Dimensions: Each plastic washers flat measures 45mm/1.77 inches in diameter with 5mm center hole, maintaining consistent thickness and weight of 1.7 grams per unit
• Adequate Quantity: The package contains 100 plastic washers, offering sufficient supply for foam board fasteners installation and multiple construction applications
• Practical Function: These thermal insulation washers are suitable for fixing and supporting rigid foam insulation foam board, foamed polystyrene board, extruded polystyrene and many types of foam board, which help to distribute pressure and prevent cracking. Plastic washers is a very practical and convenient ideal tool
• Simple Installation:These plastic washers are round with smooth edges, beautiful and easy to use, easy to fix with screws or nails, and easy to disassemble. They are suitable for foam board insulation, stabilizing gypsum ceiling, installing polystyrene board, hanging foam board, etc