UNITEDLUX 3/8inch Drive Impact Socket Set, 50-Piece Professional 6 Point SAE (5/16-3/4Inch) & Metric (8-22mm) Sockets, Cr-v, with Adapters Ratchet Wrench & Dedicated Suitcase Packaging - 50TO

• High quality forging, forged from heat treated chrome vanadium steel, each socket surface treated with corrosion resistant black phosphoric acid to prevent oil and rust. Product specification includes 3/8-Inch Drive Ratchet Handle, 3" and 6" drive impact extension bar, 3/8" universal joint, 1/2" to 3/8" reducer and the following socket sizes: SAE, Deep: 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 (inches), Shallow: 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 (inches) ,Metric Sizes: Deep: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,21,22mm, Shallow: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,21,22mm Laser marking, each with a clear laser size mark, makes it quick and easy to select even in dim light. Customized storage boxes, each with a designated slot, so that the socket does not fall off easily. Sizes are also printed next to each card slot for easy identification. 6-point socket design expands the contact surface between the socket and the fastener, increasing the locking force, reduces wear and prevents rounding off at corners 【Note】If you receive the products with protective oil, please be assured because it is a new set of products. This is a rust inhibiting oil used to protect the product. Please use it carefully. Due to shipping issues, the surface of the product may air-drying, so you can apply rust preventive oil to keep it shiny.