Duckbill Strong Grips: Features a duckbill jaw design for tight clamping on steel plates, angles irons, and other workpieces, providing large grounding area and slip resistant Premium Brass Construction: Made from high purity brass with accuracy casting, this grounding clamp excellent conductivity, anti oxidation, and resistance for long term durability and stable grounding 600A High Current Capacity: Rate for 600A current, ideal for heavy duty welding scenarios like shipyards, auto repair, and construction sites, ensuring continuous operations without overheating or power loss Screw Anti Loosening: Equipped with a reinforced screw mechanism to loosening during welding vibrations, maintaining stable grounding even in thick plate welding for enhanced generic Welder Compatibility: Suitable with TIG, stick welders, and other welding machines, suitable for steel structures, pipelines, aluminum repairs, and various welding applications, Manufacturer: JunsenF