200PCS Copper Sealing Washer Assortment Kit, High-Density Red Copper Flat Gasket Set for Automotive Repair, Industrial Maintenance & DIY Projects
200PCS high-density copper sealing washer assortment kit, featuring 9 high-frequency sizes for automotive brake lines, industrial hydraulic fittings, and DIY mechanical projects. Made from 99.9% pure red copper, these ultra-durable gaskets provide exceptional ductility, heat resistance, and corrosion protection, ensuring a tight, leak-proof seal even on heavily worn surfaces. The compact, stackable storage box maximizes space efficiency, making it ideal for professional workshops, mobile mechanics, and DIY enthusiasts.