This Britool expert by Facom E117068 socket features a 12-point standard metric design and a 1/2-inch drive. It conforms to ISO 2725-1, DIN 3124, ISO 1174-1, ISO 1711-1, and ISO 691 standards. Constructed from chrome vanadium steel with a high chrome finish, it utilizes the OGV Profile for applying tightening torque to the sides of the nut rather than the angles. This socket is intended for manual use only. The dimensions are: Size: 26mm, Length: 41mm, Weight: 160g.