US PRO Tools 10pc 1/2"" Dr 6 Point Deep Impact Sockets Metric 10 - 24mm 3725 Sizes: 10, 12, 13, 14, 15, 17, 19, 21, 22 and 24mm 1/2"" drive so will fit any 1/2"" drive ratchets / bars / extensions etc. 6 Point single hex socket. Overall length: 78mm Deep impact socket for increased range and precision. Harden. Phosphate finish for protection. Made from chromium-vanadium steel for strength and durability and helps resist abrasion, oxidation, and corrosion. Supplied in storage case.