Taurus PRO-GRIP HEAVY-DUTY TIG torches and spares have a 100% duty cycle. They are precision engineered and manufactured from high-quality materials offering the user superior, reliable products. The torch head is encased in high-temperature resistant silicone rubber and all copper components ensure cooler running temperatures and maximum current capacity.General guidelines to be used before purchasing a TIG torch:• Ensure a torch is selected with sufficient amperage capacity and duty cycle for the specific application.• Ensure the torch length is appropriate for the welding application.• Establish that the torch back-end fittings will connect directly to the welding machine.• Ensure that front-end consumables of the correct size are at hand.