Features: - Brand new and high quality- Made of high quality material, durable- Outlet adapters extend 1/4" to 1/4", & 1/4" to 3/8", & 1/4" to 1/2"- Made of high carbon steel, suitable for heavy duty impact drivers, avoid breaking during use.- The spring ball lock ensures a tight fit with the drive head to prevent slipping during use.- Suitable for quick change 1/4" chuck systems or direct insertion into drill chucks.- This kit is perfect for your impact driver or power drill and allows you to replace the ratchet with your power tool.- Very good wear resistance, high hardness, no breakage, no rust, durable- Heavy duty power tools, screwdrivers, hand wrenches and screwdriver handle tools for flexible use. Specification: - Accessory Type: Adapter- Format: Metric- Material: High carbon steel- Characteristics: normal- Wrench shape: single head wrench- Item size: as picture shown- Color: black, silver (optional)- Type: Impact driver- Quantity: Silver 4pcs, Black 4pcs, Silver 7pcs, Black 7pcs, Black 8pcs, Black 12pcs, (optional)- Suitable for: drill bits- Application: Socket Adapter Extension Package Included: 1* set of adapters (optional) Notes: 1. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture.2. Please allow a slight deviation between the data and the manual measurement.