The SUNEX Tools 1/2 in. Drive 18mm 12-Point Impact Socket, Model 218ZM, is engineered for professional and industrial use, featuring a 1/2-inch drive and an 18mm socket size. Constructed from high-strength chrome molybdenum alloy steel, this impact socket is designed to withstand the demands of high-torque applications. Its 12-point design allows for socket engagement every 30 degrees, facilitating easier access in tight spaces. The socket is machined to precise tolerances for a secure fit that minimizes slippage during use. A black phosphate finish provides excellent corrosion resistance, enhancing the tool's durability and longevity. This impact-rated socket is specifically designed for use with impact wrenches and pneumatic tools, and it features high-visibility laser-etched dual size markings for quick identification even in low-light environments. The product meets or exceeds ANSI and ASME standards, ensuring reliable and safe performance. Backed by the SUNEX Tools lifetime warranty with no exclusions, this impact socket offers long-term service and support.