Draper 16766 Wobble Extension Bar Set 1/4" Sq. Dr. Micro Satin Chrome 4 Piece

Expert Quality with wobble end manufactured from chrome vanadium steel hardened and tempered with a micro satin finish. Each ext. bar has a knurled ring for extra grip. Attached with a spring - loaded ball bearing for secure socket holding machined wobble end allows socket to be driven at up to 15° to the vertical.