Ko-ken 12-sided socket, 11mm across, 12.7mm drive, total length 37mm, 4405M-11, 1 pc

Catalog number: 4405M-11 Features: ●The opening (12-sided) that contacts the bolt/nut, as well as the square drive part on the insertion side, uses a surface contact flat drive that reliably transmits high torque without damaging the corners. Specifications: ●Face size (mm): 11 ●Drive socket size (mm): 12.7 ●Total length (mm): 37 ●Face shape: 12-sided ●Face size (mm): 11 Material/Finish: ●Chrome molybdenum steel (SCM435)