Engineered for performance and durability, the Weldmark WMK22 Copper Slip-On Connection Bottleneck MIG Nozzle is an essential component for MIG welding applications up to 250 amps. This medium-duty nozzle, featuring a formed copper design, ensures optimal heat dissipation and efficient welding operations, making it suitable for light to medium duty tasks. With a bore diameter of 1/2 inch and a carefully crafted tip relationship that includes both projection and recess, this nozzle is compatible with a variety of Weldmark and WeldSkill MIG gun series, ensuring versatility and ease of use. Packaged in sets of two, it is an ideal choice for welders seeking reliability and efficiency in their welding processes.