welding gun, Gas cooled (QQ), water cooled (QS) and WP series ... more than 60 specifications. we can supply many type welding gun.Features: 1) Water cooled2) Rated cyclic duration factor: 60 ... %3) Suitable tungsten diameter: 2, 2.5, 3, 4mm4) Angle: 75, 85 degrees5) Airproof performance: ... , WP-9, WP-17, WP-26FPacking: Carton TIG Welding Gun for welding machine