Alumina Nozzle TIG Cup, 1/2 in, Sz 8, For Torch 9, 12, 17, 18, 20, 22, 25, 26, 27, Large Gas Lens, 1-7/8 inFeaturesExceptionally high impact resistance, heat resistance and thermal conductivityHigher heat resistance than lava nozzlesMost popular nozzle...