This 56-piece 1/4-inch socket set includes a ratchet handle, 3-inch and 8-inch drive impact extension bars, universal joint, and reducer. Sae sockets deep and shallow: 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2, 9/16 inches. Metric sockets deep and shallow: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15mm. Made from chrome vanadium steel with heat-treated hardness over 60HRC for strength and wear resistance. Phosphate coating prevents rust. Laser-etched markings enable quick size identification. 6-point design ensures secure fit and extends bolt lifespan. Detent hole prevents socket slippage. Sturdy plastic case with dual locks for secure storage. Weight: 6.49 pounds.