ITEM NAME:High Temperature Gas Turbo Torch Aluminum Brazing Propane Weld Plumbing B3H6 High Temperature Gas Turbo Torch Aluminum Brazing Propane Weld Plumbing B3H6 Brass construction. High strength and hardness. Durable in use. High temperature pressure regulated flame. Unique design separates the bottle and torch to give you greater freedom and control. Can be used for a long time, it will not be burned. Great for plumbing, air