MW411-411-1 Style Trigger Switch for Tregaskiss 300/400/500 Torches (5-Pack) 

411-1 Style Trigger Switch for Tregaskiss 300/400/500 Torches is a high-quality replacement trigger switch assembly designed for TR 400 and TR 500 MIG guns, offering reliable performance and smooth operation. Compatible with Tregaskiss 300, 400, and 500 series torches, it provides a precise and durable switching action to ensure consistent welding control. Manufactured by Parker Torchology, this trigger switch delivers dependable construction and a perfect fit for seamless replacement.