... Hex Wrench Material: CS Finish: ZP/YZP Standard: din911 DIN911 L Style Allen Wrench (Hex Key)Material : CS , SS , Alloy SteelSize : ... 12.9 Finish : Plain , Zinc Plated , YZP , HDG , Dacrotized etc. L style hex wrench, used to twist turn hex screws. Widely used ... electronic and electrical industry, sports equipment, lighting products, skates, and small flashlight, and so on.We offer all kinds of types ...