General description A set of 200 sump plug washers made from premium copper material, suitable for various applications including cars, boats, generators, and machinery. This assortment kit is ideal for use with sump plugs, water, fuel, and hydraulic fittings, and is conveniently stored in a compact, transparent plastic case. Technical specifications Material: Copper Box Size: Approx. 130 * 68 * 22mm / 5.1 * 2.7 * 0.9in Package Size: 135 * 70 * 25mm / 5.3 * 2.8 * 1.0in Package Weight: 175g / 6.2 ounces Size Types: 9 (M5-M14) Sizes: M5*9*1 (30pcs), M6*10*1 (30pcs), M6*12*1 (20pcs), M8*12*1 (20pcs), M8*14*1 (20pcs), M10*14*1 (20pcs), M12*16*1 (20pcs), M12*18*1.5 (20pcs), M14*18*1 (20pcs) Other information Melting point up to 1083°C Good electrical and thermal conductivity