TEKTON 1654 3/8-Inch Drive by 6-Inch Wobble Extension Bar Two-in-one design functions as a straight extension for added length or a wobble offset extension to reach around obstructions Knurled band offers a nonslip grip for turning loosened fasteners by hand Spring-loaded detent ball securely latches onto sockets, preventing them from being dropped Detent notches in drive end lock onto ratchets and breaker bars Made of premium chrome vanadium steel with a mirror chrome finish