10" (250mm) spinner handle and extension bar Rotating handle end creates an easy to use grip especially when using together with a ratchet Ergonomically designed bi-material handle for easy use particularly in wet or oily conditions 3/8" drive female intake in the handle to enable use as an extension bar Chrome vanadium Satin finish for a better grip when handling sockets Ball bearing recess on the female end to grip the ratchet or power bar Ball bearing socket retainer on the male end to securely grip the socket Designed and manufactured to DIN3122E Supplied with a metal socket clip for use with a socket rail