CASOMAN 3/8″ Drive Impact Socket Set, 48 Piece Standard SAE and Metric Sizes (5/16-inch to 3/4-inch and 8-22 mm), 6 Point, Cr-V Steel

This socket set is made from drop forged and heat treated chrome vanadium steel (50BV30) with a corrosion-resistant black phosphate finish, providing the durability for a hard use. Its deep 6-point sockets with chamfered openings and an attachment port compatible with traditional ratchets, high-contrast laser etched with high-visibility markings and hard stamped with size labels.