General description Set of 200 pieces flat gaskets, washers, copper nuts, and bolts assortment kit, suitable for all types of engines including cars, boats, generators, and machinery installations. This kit is ideal for sump plugs, water, fuel, and hydraulic connections. Technical specifications Material: Copper Box Size: Approx. 130 * 68 * 22mm / 5.1 * 2.7 * 0.9in 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) Package weight: 175g / 6.2 ounces Other information Features: Premium copper material with a melting point up to 1083°C Good electrical and thermal conductivity All contained in a compact and transparent plastic case