Engineered for precision and durability, the Weldmark WMK23 Copper and Brass Threaded Connection Conical MIG Nozzle is designed to enhance your MIG welding experience. With a bore diameter of 1/2 inch and compatibility with MIG guns rated up to 300 amps, this nozzle ensures optimal performance in various welding applications. The nozzle features a robust three-piece design that eliminates the need for an additional insulator, while its self-insulated construction and G7 silicone material provide excellent electrical insulation from the gas diffuser. Ideal for both professional and hobbyist welders, this standard-duty nozzle is a reliable choice for achieving high-quality welds with ease. Each package contains two nozzles, making it a practical addition to your welding toolkit.