Wilmar W38914 23 piece 3/8 inch Drive MET Socket Set, Socket openings are designed to reduce fastener rounding. Chrome vanadium alloy steel construction for strength and durability, polished nickel chrome plated finish resists corrosion. Set includes: 7 standard sockets, 7 deep sockets, 2 spark plug sockets, universal joint, 3/8 inch drive quick release teardrop ratchet, 3 and 6 inch extensions. 6point standard socket sizes: 10, 11, 13, 14, 15, 16, 17 and 19mm. 6 point deep socket sizes: 10, 11, 12, 13, 14, 15, 16, 17 and 19mm. Spark plug socket sizes: 16 and 21mm.