Item Name: Wrench Accessories Metal Square Shaft T-Shaped Shafts Impact Wrench Shaft. Type: Dual UseMultifunctional T-shaft, can be installed with bits, drills, etc.Material:Vanadium Chromium Alloy SteelSize: As Pictures ShownSuitable for electric wrenches, impact drill wrenches.Strong and sturdy.High hardness and wear resistance.Packing:1PCs Due to the difference between different monitors,the picture may not reflect the actual color of the itemPlease allow 0.1-1cm differs due to manual measurement,thanks *Please make