Set of extension bars for use with impact tools. 1/4 Drive bars: 50mm (2), 100mm (4), 150mm (6) 3/8 Drive bars: 45mm (1 3/4), 75mm (3), 150mm (6) 1/2 Drive bars: 50mm (2), 125mm (5), 250mm (10) Made from chromium-vanadium steel for strength…View more