The 404-3 MIG Diffuser is a set of five nozzles designed in the Tregaskiss style with a retaining head. Specifically designed for MIG welding, these nozzles offer a reliable and efficient solution for achieving precise and high-quality welds. The Tregaskiss brand is known for producing top-quality welding accessories, making this pack of nozzles a trusted choice for professionals in the welding industry.