Tregaskiss Welding Guns (AKA) Bernard T Guns. Our aftermarket Tregaskiss style Mig Guns & Consumable Parts compare to Tregaskiss Tough Gun and Bernard T-Gun style. Mig Welding guns rated at 250, 350, 400 & 550 amps and are Interchangable with Standard, Non Patented parts. 250 & 350 Amp ready to weld guns are equipped with .035" (0.9mm) Contact Tip and Liner and 5/8" Nozzle; 400 Amp guns are equipped with .045"(1.2mm) Contact Tip and Liner and 5/8" Nozzle; 550 Amp Guns are equipped with 1/16"(1.6mm) Contact Tip and Liner and 5/8" Nozzle. Tregaskiss style replacement Mig guns are available with Direct Wire feeder connections for Euro, Miller, Hobart, Lincoln or Tweco. Our Mig welding guns are made in the USA and meet or exceed OEM standards and specifications. Ready to weld includes standard contact tip, nozzle and liner.