Footprint wrenches have drop forged hooks & are fitted to a pressed frame. The teeth are induction hardened to ensure a high grip is maintained. This traditional plumbers tool is an all purpose wrench which grips the workpiece tighter as more pressure is exerted. Removeable screw for easy adjustment. This style has a screwdriver end to the hook. Length. 300 mm. (12 in. ) Max Opening 60 mm.