2-13mm Keyless Drill Chuck 1/20-20UNF Electric Drill Bits Impact Driver Adaptor Quick Change Adapter Converter Features : * new and high quality * Made of high quality material, and practical to use * Keyless chuck, t he outer casing is carbon steel and the claws are tungsten steel. * Quickly change the round handle power tool. * Precise and reliable, easy to use. Specification: * Material: Carbon Steel + Tungsten Steel Claw * Colour: Black(As pictures show) * Size (H * D): 62 * 43mm(Approx.) * Clamping Range: 2-13mm Package Contents: 1*Keyless Drill Chuck Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.