3/8" universal joint: connects a socket to a ratchet or extension at an angle in hard-to-reach places. Chrome-vanadium steel (Cr-V), mirror polished, with a spring ball for the socket.
The WORKPRO universal joint (WP275002) is a 3/8" drive articulated joint for working with sockets at angles and in hard-to-reach places. One end has a 3/8" square hole (for a ratchet or extension), the other a 3/8" square with a spring ball that holds the socket or extension. Made of heat-treated chrome-vanadium steel (Cr-V) with a chrome mirror-plated finish for corrosion resistance. Specifications: - Drive: 3/8" - Material: Cr-V, chrome, mirror polished - Spring ball socket retention