Ko-ken 4-sided convex socket for drain plugs, 12.7 mm drive, 20 mm across, 4110M-20, 1 pc

Catalog number: 4110M-20 Features: ● A 4-sided convex socket that can drive 4-sided concave shapes such as drain plugs. Specifications: ● Opposite side size (mm): 20 ● Insertion size (mm): 12.7 ● Total length (mm): 37 ● Opposite side shape: 4-sided Material/Finish: ● Chromium molybdenum steel (SCM435)