Teng Tools 4 in Square Extension Socket, 100mm Overall

The Teng Tools M140021-C series is a 1/4" drive 4" (100mm) extension bar. It has satin finish for a better grip when handling sockets and chrome vanadium steel.

• 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
• Supplied with a metal socket clip for use with a socket rail