Premium MaterialThe 1 or 2 inch to 1 or 4 inch adapter is made of excellent steel material, which has high strength, good durability, high impact resistance and easy handling . Easy installation Installation of the impact socket is simple and can be completed in one minute. You can install an impact wrench directly without any additional tools. Easy to Use The ratchet socket adapter can easily replace the drill bit and sleeve with stable clamping force and simple operation, which can be used with power tools. Wide range of applications The impact wrench adapter can securely attach any 1 or 4 inch hex shank drill bit, such as insert drills, screwdrivers, etc. Transforms air or impact wrench into a drill or ratchet wrench. What You Get You get 3 pieces 1 or 2 square to 1 or 4 hex shaft adapter, which is enough to daily use. Product information: Product name: Hexagonal screw socket adapter Material: steel Color: black Size: as shown Package includes: 3 x hexagonal impact socket Features: The 1 or 4 1 or 2 adapters are made of high quality material, sturdy and durable for long term use. This screwdriver ratchet can turn any air or electric impact wrench into a drill or a ratchet wrench into a screwdriver. 1 or 2" drive on 1 or 4" hex adapter can turn air wrench or impact drill. These ratchet socket wrenches are perfect for mechanics, engineers, carpenters or renovation workers and more. Warm advice : Manual measurement, please allow slight size errors. Color may vary slightly due to different displays.