A sump plug washer set to suit all types of engines be it car, marine, generators, machinery and plant. Features: Fine quality copper material, melting point up to 1083°C. Good electrical conductivity and thermal conductivity. All contained in a compact and see through compartmented plastic case. Great for sump plugs, water, fuel and hydraulic fittings. Specifications: Material: copper Box size: approx. 130 * 68 * 22mm / 5.1 * 2.7 * 0.9in Size types: 9 (M5-M14) Size: (I/D x O/D x Depth) M591 30pcs M6101 30pcs M6121 20pcs M8121 20pcs M8141 20pcs M10141 20pcs M12161 20pcs M12181.5 20pcs M14181 20pcs Package size: 135 * 70 * 25mm / 5.3 * 2.8 * 1.0in Package weight: 175g / 6.2ounce Package list: 200 * Copper Washers 1 * Case