Size - 8mm 10mm 2 kinds of nut driver, 78mm (3.07-inch) and 100mm (3.94-inch) total length.. 1/4" Hex Shank - Universal 1/4 inch hex shank fits a variety of quick-change chuck and drill, driver, or screw-gun.. Material - Heat-treated chrome vanadium steel construction with a sandblasted finish for increased hardness and corrosion-resistant.. Design - Deep groove. Suitable for extended reach applications.. Usage - Designed to tighten or loosen nuts, bolts, hooks quickly and effectively..
