Spec.: 0.7-27mm,1/16-3/4inch Material: 45# steel Surface plating: Black/Nickel Product name:Hex Wrench Din911Size: 0.7-27mm,1/16-3/4inchMaterial: 45# steel Surface treatment: Black/Nickel Kunshan Zhonggu Precision hardware co.,ltd. has grown rapidly over the last few years to become a reputable supplier of quality fasteners. Our experience in making lathe-made and cold forging fasteners has ...