DAKCOS Impact Universal Joint Socket Set, 3 Piece Swivel Ball Spring Design, 1/4", 3/8" and 1/2" Drive, U Sockets Swivel, CR MO

This Impact Universal Joint includes three types, 1/4, 3/8 and 1/2-inch Drive Joints. three sizes can meet different needs. Made of heat treated chrome molybdenum steel with a corrosion-resistant black phosphate coating finish. Full 360°degree motion allows U joint swivel sockets to access complete rotation to reach tight spaces, access hard to reach fasteners. Spring loaded ball at the end of bar locks socket into place for security and prevents dropping. Perforated Design make it can cooperate with pneumatic wrench, electric wrench, ratchet wrench and manual wrench.