ZYAMY 100PCS 1.77 Inch Round Plastic Washers 45mm Polypropylene Foam Board Fasteners for Rigid Foam Insulation Fixing Gypsum Ceiling Reinforcement Load Distribution Insulation Washers

["Contains 100 pieces of 1.77-inch plastic washers 45mm polypropylene foam board fasteners.","Material: Made from high-quality polypropylene, a plastic material with excellent insulating properties; compact, durable, comfortable to hold and sturdy.","Dimensions: The circular plastic washers have a diameter of 1.77 inches and a centre hole diameter of 0.2 inches, making them easy to secure with screws of the appropriate size.","Ease of Use: The plastic bolt washers have a smooth, burr-free surface, making them both attractive and practical. The round washers can be easily secured with screws or nails and are equally simple to remove. They are suitable for a wide range of applications, including foam board insulation, plasterboard reinforcement, polystyrene board installation and foam board suspension.","Practical Function: Plastic flat washers are suitable for securing and supporting rigid foam insulation boards, making them the ideal choice for fixing insulation foam boards, expanded polystyrene boards, extruded polystyrene boards and a variety of other foam boards."]