1/2″ Drive Master Impact Socket Set, 65 Piece, with Adapters & Ratchet Handle, Standard SAE (3/8″-1-1/4) & Metric (10-24 mm) Sizes, Deep & Shallow Kit, Cr-V Steel, with Molded Case. Durable Material: The impact socket is drop-forged with premium chrome vanadium steel to withstand extreme levels of torque changes against fasteners. Black phosphate surface resist wear, oxidation, and corrosion for long-term use. Designed to last: The 6-Point hex design increase the contact area when using, prevents round-off on nuts and bolts under high torque exertion and hammering stress. Compatible with impact wrench and electric wrench. Clear Markings: High-visibility laser-etched markings on the black phosphate finish allows quickly identify socket sizes and measurements, brings you efficiency and accuracy. Storage Box: The blow molded case is designed to fit each individual socket size and features labels for organized storage. No hassles any more when bring your tools to the job. Set Includes: 58pc 1/2″ Drive sockets – SAE (Deep and shallow): 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1, 1-1/16, 1-1/8, 1-1/4″, metric (Deep and shallow): 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24mm; 3pc 1/2″ Extension bars: 3, 5, 10-inch, 1pc 1/2″ by 10-inch length quick-release ratchet handle 72-tooth, 1pc 1/2″ Impact universal joint, 1pc 1/2″ (F) to 3/8″ (M) reducer, 1 pc 3/8″ (F) to 1/2 (M) Adapter. Brand: JU JIAN TEC. Material: Chrome Vanadium Steel. Number of Pieces: 58. Item Weight:? 26.4 pounds. Package Dimensions:? 17.5 x 13.88 x 3.13 inches. Compatible Fastener Range:? SAE and Metric Bolts, Nuts, and Screws ranging from 3/8″ to 1-1/4″ and 10mm to 24mm. And we will work with you to resolve it to your satisfaction.