nepros 12.7 sq. universal joint, socket size 12.7 mm, total length 57 mm, NBJ4, 1 piece

Catalog number: NBJ4 Features: ●The four rotating shafts are on the same axis with a ground cross mechanism, which provides smooth movement and excellent torque transmission. ●Strength is 1.5 times stronger than the manufacturer's previous model. ●The high-strength design with a small opening and the high-grade spring washer have improved the swivel retention and durability. Applications: ●Nepros general-purpose tools Specifications: ●Drive socket size (mm): 12.7 (convex) ●Total length (mm): 57 ●Drive socket size (mm): 12.7 ●Drive socket size (mm): 12.7 Material/Finish: ●Special tool steel Caution: ●The joint is vulnerable to impact and twisting, so be careful not to apply too much force.