100PCS Copper Sealing Washer Assortment Kit, High-Purity Red Copper Flat Gasket Set for Automotive Brake, Fuel Lines & Industrial Hydraulic Fittings
100PCS high-purity red copper sealing washer assortment kit, featuring 9 common sizes for automotive brake systems, fuel lines, hydraulic fittings, and industrial machinery repairs. Made from 99.9% pure red copper, these flat gaskets offer excellent ductility, heat resistance, and corrosion protection, ensuring a tight, leak-proof seal even on rough or worn surfaces. The organized storage box keeps sizes separated for quick access, making it ideal for mechanics, fleet managers, and industrial maintenance teams.