General description This Teng Impact Socket is a hexagonal impact socket designed for use with ½-inch drive tools. Made from high-quality chrome-molybdenum steel, it offers durability and strength for heavy-duty applications. The socket features a hexagonal opening for a secure grip on fasteners and includes a safety hole to attach a retaining pin, ensuring it stays securely on the tool during use. Its black finish provides corrosion resistance and a professional appearance. Technical specifications Material: Chrome-molybdenum steel Drive size: ½ inch Socket size: 21 mm Outer diameter (D1): 31.0 mm Inner diameter (D2): 30.0 mm Length: 38.0 mm Compatibility and accessories Compatible with ½-inch drive impact wrenches and ratchets Suitable for use with standard hex fasteners Installation Attach the socket to a compatible ½-inch drive wrench or ratchet Ensure the safety hole is aligned for secure attachment if using a retaining pin Usage Use for tightening or loosening hex fasteners in