BLACK & DECKER J74470P Impact Universal Joint 1/2 in

PROTO® Universal joint impact 2-19/32 inch length black oxide finish. Tight tolerances for snug fit on fastener. Used wherever powered drive tools are used to install or remove fasteners. Designed to withstand the high torque and force associated with impact tools in repetitive application. Position at appropriate angle to turn fasteners where obstructions prevent a straight application. Ball and spring design which allows for a 30° working angle. Smooth 360° rotation.