Teng Tools 1/2" Socket Set 6 Point 17 PiecesSet of 17 hexagonal 1 2" drive sockets made from chrome vanadium steel with a satin finish for durability and professional use. The sockets are designed and manufactured to meet DIN and ISO standards and are organized in a TT1 tool tray module for convenient storage and integration into the Teng Tools Tool Control System. Key Features: 17 piece 1 2" drive socket set 6 point hexagonal design Chrome vanadium satin finish for strength and durability