Teng M120517-C Regular Bi-Hexagon Socket 17mm 1/2in Square Drive

[ EXTRA STRONG ] The socket is made from chrome vanadium steel for strength and flexibility. [ INCREASED GRIP ] Satin finish for a better grip when handling the socket - perfect for oily environments. [ GREAT FOR TIGHT SPACES ] 12 point design is ideal for use in confined spaces and more access positions allow you to work with different types of fasteners. [ INSTANT IDENTIFICATION ] The socket features roll stamped markings to ensure permanent and instant socket identification. [ SECURE DRIVE ] Ball bearing recess on the female end to grip a ratchet or extension bar securely.