Wilmar W32901 26 piece 1/2 inch Drive SAE 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: 1/2 inch drive 45 gear teeth quick release ratchet, 2 spark plug sockets, universal joint, 1 each 3 and 5 inch extensions, 10 inch flex handle, 11 standard sockets and 8 deep sockets. 6 point standard Sizes: 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16 and 1 inch. 6 point Deep Sizes: 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8 and 15/16 inch. Spark plug sizes: 5/8 and 13/16 inch.