The StopTech high-quality copper crush washer (Part No. 41.604.4516) is designed to provide a reliable, leak-proof seal for brake line connections and banquet bolts in Big Brake Kits (BBK). These washers are essential for single-use replacement during brake line maintenance to prevent fluid leaks. Features: - Material: High-grade soft copper for optimal compression. - Inside Diameter: 10mm. - Compatibility: Fits standard 10mm banjo bolts and StopTech braided stainless steel brake lines. Package Kit Content: - 1 x StopTech Copper Crush Washer (Art. 41.604.4516). Note: Sold individually unless otherwise specified in the order quantity.