Ko-ken 12-sided deep socket, 20mm across, 12.7mm drive, total length 77mm, 4305M-20, 1 pc

Catalog number: 4305M-20 Features: ●The opening (12-sided) that contacts the bolt/nut, as well as the square drive part on the insertion side, uses a flat drive with surface contact that reliably transmits high torque without damaging the corners. Specifications: ●Face size (mm): 20 ●Drive socket size (mm): 12.7 ●Total length (mm): 77 ●Face shape: 12-sided ●Face size (mm): 20 Material/Finish: ●Chrome molybdenum steel (SCM435)