Features: *Hex Socket Nut Driver Set Socket Adapter. *The built-in spring is retractable and can reach a depth of 20mm. *Deepened sleeve, strong torque, high bite. Suitable for hexagon screw installation and removal. *Used in pneumatic screwdrivers, electric screwdrivers, pneumatic drill, drill, pistol drills, screwdrivers and other hand on the installation of the hexagon tools for supporting. *Widely used in home DIY, carpentry, auto parts, specializing in machine repair and so on. *Applications include auto repair, mechanical repair, workshop work, construction engineering. Specifications: Product name: Hexagon Socket Material: Chrome-vanadium steel Color: Black Magnetic: Yes Length: (Approx. ) 100mm/3.93' Shank: 1/4' (6.35mm)Hex Optional Size: H7, H8, H10, H12, H13, H14 Suitable for: home DIY, carpentry, auto parts, specializing in machine repair and so on. Quantity: 1pc Package Included: 1 Hexagon Socket Note: 1.Transition: 1cm=10mm=0.39inch. 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.