Sufficient Quantity: You will receive 200 pieces of plastic washer and 200 pieces of matching screws in the package, enough for your daily replacement, also can be applied in foam board insulation
Size Details: The polypropylene washer measures approx. 45 mm/ 1.77 inch in diameter, and the middle hole is about 5 mm; Each plastic washer is about 1.7 g, and the screw is about 4 x 30 mm/ 0.16 x 1.18 inch
Wide Usage: These polypropylene washers are suitable for foam board, expanded polystyrene board, extruded polystyrene, foam insulation board, with good support and fastening effect
Easy to Install: The washer kit is easy to fix with screw or nail, also can remove it easily; The spare washers can be stored for the next time to use, enough quantity for your use and replacement
Quality Material: These washers for screws are made of polypropylene (a plastic material), safe, sturdy, with good insulation, and can serve you for a long time; Plus, the reinforced design makes them easy fixation, rigidity and balance