1. Applicability: The impact wrench adapter is compatible with 1/2' to 1/4' bit holders and features an extendable design. Its maximum telescopic length is approximately 50 mm, while the hex adapter measures about 38 mm. It allows for easy bit and socket changes while providing a secure grip. 2. Easy to : Transform your pneumatic or electric impact wrench into a drill or convert a ratchet into a screwdriver with this compact, onepiece clamping adapter. Its userfriendly design makes it ideal for both hobbyists and professional repairers. 3. Durable Material: Crafted from quality 45 steel, this impact wrench adapter is robust, hardwearing, and built to last. The specially treated surface enhances corrosion resistance, ensuring longterm durability. 4. Fit: The Stahla impact wrench adapter ensures a tight, wobble connection for effortless insertion and removal. The pressure ball on the socket shank guarantees a firm grip, making it a convenient tool for nut changes with your impact wrench.