For fast and effective driving of hex head screw fixings. Forged alloy steel for strength and durability. Drive shaft to DIN 3126-E6,3 ISO1173. Colour coded for convenience. Set contains 7mm x1, 8mm x1, 10mm x1, 11mm x 1, 13mm x1, 1/4" x1 & 3/8" x1. .
