【Material】: Our flat washer is made of iron material, cold and heat resistant, lightweight.
【Feature】: Round foam board washers with high bearing capacity, good shock absorption effect, not easy to deform, good insulation.
【Multifunctional】: The flat washers are not just spread the load and prevent damage to wall ceiling insulation board, foam panels, or sheets during installation, but also have a function on fix and fasten the screws through its center hole.
【Application】: Flat Washers is suitable for foam board, expanded polystyrene board, extruded polystyrene, foam insulation board, gypsum board.
【Package Content】: You will receive 200pcs flat washers for screws and nails, enough for your daily use.