Features: brand new and high quality Classic three-jaw design with for key, quick change and easy locking. This wrench is used for electric wrench to change three jaw collet. High precision threads ensure tight and stable connecting. Turn your rotary hammer into a normal drill. Torque thrust bearing unique easy-grip exerted translate into greater clamping force. Easily turn your routine hammer / impact wrench / impact wrench into a drill bit instead of spending money on multiple tools. Also turns the impact wrench to also perform drilling functions. Specifications: Material:Metal + Plastic Size:as the Picture Show Note: 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. Please allow slight manual measurement deviation for the data. Package includes: 5 Pieces Drill Chuck Plus Shank Adapter Socket in a Set