■ DIN17200 ■ Die forged. ■ Used for tighten or loosen bigger sizes pipes and pipe fittings ■ Aluminium Bronze Alloy and Berryllium Copper Alloy

■ DIN5234 ■ Die forged ■ Aluminium Bronze Alloy and Beryllium Copper Alloy ■ Clamp mouth prevent workpiece slidding and ensure the max rotate in restricted space