Features:* Hex Socket Socket Wrench Set Socket Adapter.* Used in Air Screwdrivers, Electric Screwdrivers, Air Drill, Drills, Pistol Drills, Screwdrivers and other hand held when assembling hex tools for holding.* Widely used in Home DIY, Carpentry, Auto Parts , specializes in machine repair and so on.* Easy operation, the course is not easy to fall off. Specifications: Product Name: Socket Wrench Material: Chrome Vanadium Stainless Steel Color: As Shown Length: (approx.) 150mm Sleeve Depth: (approx.) 34mm Size: 6mm, 8mm, 10mm, 12mm Suitable for: Motorcycle, Bicycle, Car, Machinery Quantity: 4pcs Package Included: 4 Socket Wrench Note: 1. Passage: 1cm = 10mm = 0.39 inch.2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual measurement deviation for the data.