Features: * Made of chrome vanadium steel for durability and long life. * 1/4" 3/8" 1/2" 360 Degree Swivel Power Drill Socket Adapter for Impact Wrench with Lengthening Bit for Drilling with Hex Square Shank. * There are 3 adapters or different sizes for you. * Common size combinations multiply the range and capabilities of many power tools. Specifications: * Material: Steel * Color: Black * Size: 1/4", 3/8", 1/2" * Shank: Hex shank 1 /4in (6.35mm) * Length: 50mm (Approx.) * Quantity: 3pcs Package Included: 3 * Socket Adapter Notes: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such like brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.