Ko-ken 12.7mm plug-in extension bar set, set of 5, PK4760/5 1 S

Catalog number: PK4760/5 Features: ●The outer circumference of the plug-in part has six serrations (convex and concave), and is knurled. ●The serrations and knurling are effective for quick rotation and easy attachment and removal, and also prevent the plug from accidentally rolling away. Specifications: ●Drive socket size (mm): 12.7 ●Total length (mm): 50/75/125/150/250 ●Drive socket size concave (mm): 12.7 ●Drive socket size convex (mm): 12.7 ●Set contents (pieces): 5 ●Set contents: 4760-50, 75, 125, 150, 250 Material/Finish: ●Chrome molybdenum steel (SCM435) Set contents/Accessories: ●ABS tray