Professional extension bar set for commercial or occasional use 3/8in wobble extension bar 150mm (6 inches long) total length extension bar Wobble extension bar Wobble drive extension allows certain angle of tilt to help get into tight awkward places As well as being a wobble drive extension if you push the socket on far enough it also can be used as a straight extension as well Knurled ends on the extension for grips in oily conditions 3/8in drive so will fit any 3/8in drive ratchet, bar etc... Manufactured from CR-v steel for maximum strength and durability SPECIFICATIONS • Extension bar • 3/8in drive extension bar • Total length – 150mm (6 Inches) • Manufactured from CR-v steel • Wobble extension • Knurled ring