- Applicability and design: compatible with 1/2 to 1/4 bit holders; telescopic adapter extends to about 50 mm and hex adapter length is about 38 mm; enables easy bit and socket changes and provides a firm grip. - Easy to replace: transforms a pneumatic or electric impact wrench into a drill or a ratchet into a screwdriver with this compact one-piece clamping adapter; handy for both hobbyists and professional repairers. - Durable material: made from high-quality 45# steel; sturdy, hard and durable; surface treated to ensure good corrosion resistance for long-term use. - Fit and grip: firmly fitting adapter with no unnecessary play; easily inserted and removed; pressure ball on the socket shank ensures a secure grip; useful for changing nuts with your impact wrench. - Practical use scenarios: convert an impact wrench for drilling or screw driving; swap between drill/screwdriver and impact tool for furniture assembly or automotive maintenance; quick bit/socket changes during repairs or maintenance tasks.