TEKTON 3/8 Inch Drive x 21 mm Deep 6 Point Impact Socket SID13121

Size is marked both with a high visibility laser marking and a permanent stamped marking that won't wear off 6 point socket opening provides an exact fit for hex fasteners Radiused corners prevent fastener round off by applying force to a fastener's flat sides, rather than its corners Meets a minimum of 1.3 times the ANSI/ASME standard for proof torque Overall Socket Length: 2.48 inches.Socket End Diameter: 1.10 inches.Drive End Diameter: 1.10 inches.Socket Well Depth: 1.13 inches