1/4-inch drive socket set: Sae (Imperial): Deep sockets: 5/32"", 3/16"", 7/32"", 1/4"", 9/32"", 5/16"", 11/32"", 3/8"", 7/16"", 1/2"", 9/16"" Shallow sockets: 5/32"", 3/16"", 7/32"", 1/4"", 9/32"", 5/16"", 11/32"", 3/8"", 7/16"", 1/2"", 9/16"". Metric: Deep sockets: 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm Shallow sockets: 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm. Accessories: 3-inch and 6-inch extension bars, 1/4-inch universal joint, 3/8-to-1/4-inch adapter, 1/4-inch 72-tooth ratchet handle. Material: Chrome-vanadium alloy steel (50BV30) with a black phosphate finish. 6-point design supports high-torque operation. Laser-etched size markings. Storage case included. Weight: 4.97 lbs.