DIN911 Allen key wrench(hex key) 1.Material:carbon steel,45# steel, ROHS 2.Standard:DIN911 ... Product Specification Product Name L style Allen wrench(hex key),Allen key,Hexagon key.StandardDIN911SizeM0.7-M20MaterialCarbon steel,45# steel,6150 steelFinishedblack,Zinc ... -No go gage and so on. Main Product, DIN911 Allen key wrench(hex ...