Features 1、Quickly change socket, with 1/2‑inch female socket on one end and a 1/4‑inch hex female socket on the other end. 2、Easy to use, through this chuck adapter, any pneumatic or electric impact wrench can be converted into a drill bit or a ratchet wrench into a driver, quick release converter for impact wrench. 3、With pattern and comfortable handle, wear‑resistant and non‑slip, increase friction and easy to tighten, reduce hand sweat. 4、Very convenient and practical, durable, can be used for a long time, no need to worry about the quality. 5、1/2 1/4 inch wrench hex shank chuck conversion kit, easy to use and reliable. Specification Condition: 100% Brand New Item Type: Socket Adapter Material: 45# Steel Accessory Type: Adapter Model: Common conversion head Standard: Metric Wrench Shape: Single head wrench Hex Hole: Approx. 1/4in (6.3mm) Square Hole: Approx. 1/2in (12.5mm) Adapter Length: Approx. 50mm/2in, 38mm/1.5in Package List 1 x 50mm Adapter 1 x 38mm Adapter