Clarke PRO171 9 piece Wobble Extension Bar Set

Set of 9 Chrome Vanadium Wobble Extension Bars for 1/4", 3/8" & 1/2" Square Drive Sockets, Knurled section for improved grip when fingers are oily. Sockets can be driven with shaft offset by up to 10 degrees.1/4": (50, 100 & 225mm).3/8": (75, 150 & 225mm).1/2": (50, 125 & 225mm).