Feature:1. Quickly change socket, with 1/2inch female socket on one end and a 1/4inch 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, wearresistant and nonslip, 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 NewItem Type: Socket Adapter.Material: 45# SteelAccessory Type: AdapterModel: Common conversion headStandard: MetricWrench Shape: Single head wrenchHex Hole: Approx. 1/4in (6.3mm)Square Hole: Approx. 1/2in (12.5mm)Adapter Length: Approx. 50mm/2in, 38mm/1.5inPackage List:1 x 50mm Adapter1 x 38mm AdapterNote: