■ Beryllium copper alloy and Aluminum bronze material. ■ DIN3113 Standard. ■ Die forged. ■ Both ends generally fit the same size of bolts and nuts.

■ Aluminium Bronze Alloy and Beryllium Copper Alloy ■ Q/ZBF-131F ■ Die forged ■ It is adjustable wrench used for diassembling or assembling pipes and fittings, one-hand operated, easy for use.

■ Aluminium Bronze Alloy and Beryllium Copper Alloy ■ Q/ZBF-131D Precision Casting ■ Hexagonal head design increased the contact area with fasteners and firmly grip.

■ Aluminium Bronze Alloy and Beryllium Copper Alloy ■ QB/T2613.10-2005 ■ Die Forged ■ Used for d

■ Aluminium Bronze Alloy and Beryllium Copper Alloy ■ Q/ZBF-129B ■ Precision Casting ■ Strong nylon belt will not slip ■ Prevent the surface from damaging

■ Q/ZBF-129A ■ Die forged ■ Used for tighten or losen bigger sizes pipes and pipe fittings. ■ Aluminium Bronze Alloy and Beryllium Copper Alloy