You are Buying a brand New And Factory Sealed Duralast 3/8in Drive Hex Bit Socket Set 7 Piece # 60-400. PRODUCT DESCRIPTION The Duralast hex bit socket set is made with chrome alloy steel and S2 steel that provides the best performance for the toughest jobs. Contains (7)- 3/8" Drive Hex Bit Sockets: 3, 4, 5, 6, 7, 8, 10mm Cold formed Alloy Steel socket base and S2 tool steel bit heat treated for superior durability and strength Bit sockets attach to drive tools, such as ratchet or breaker bar, providing a long handle for leverage Chamfered lead-ins help to provide fast and easy placement onto drive tools and fasteners Full polished chrome finish socket easily wipes clean of oil and dirt Chrome finish provides corrosion resistance and added durability Meets or exceeds ASME standards.