The load fixing washer is an essential component for securing foam boards and other insulation materials. Its flat, plastic design with multiple holes ensures a firm attachment, while the polypropylene material offers durability and resistance to wear. This washer is for ensuring the stability and longevity of your insulation installations. Features -Color:White -Material:Plastic -Size:4.60X4.60X0.30cm/1.81X1.81X0.12in -Stable attachment: the fourspike sixhole design ensures a stable and secure attachment of gypsum boards, preventing any movement -Effective insulation: offers significant thermal and sound insulation, enhancing the comfort and quietness of your space - construction: made from plastic materials, these washers are designed for longterm durability and reliable performance -Easy to install: the washers are easy to install, requiring no special tools, making the process quick and efficient -Multiple uses: suitable for a variety of applications including ceiling and background wall installations, these washers meet diverse renovation needs Package list: 100 x Plastic Washer