General description A set of 200 copper flat gaskets, washers, nuts, and bolts suitable for various applications including cars, boats, generators, and machinery. Ideal for sump plugs, water, fuel, and hydraulic fittings, all contained in a compact and transparent plastic case. Technical specifications Material: Copper Melting point: Up to 1083°C Box size: Approx. 130 * 68 * 22 mm / 5.1 * 2.7 * 0.9 in Package size: 135 * 70 * 25 mm / 5.3 * 2.8 * 1.0 in Package weight: 175 g / 6.2 oz Types and sizes: M5*9*1 (30 pcs), M6*10*1 (30 pcs), M6*12*1 (20 pcs), M8*12*1 (20 pcs), M8*14*1 (20 pcs), M10*14*1 (20 pcs), M12*16*1 (20 pcs), M12*18*1.5 (20 pcs), M14*18*1 (20 pcs) Other information Good electrical and thermal conductivity.