Durable in use. Brass construction. 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 conditioning, heating and refrigeration etc. This product flame is suitable for sheet metal, high temperature heating, charcoal, cooking, welding, disinfection and other purposes. Welding Torch Portable Gas Burner Flame Gun Blowtorch Copper Flame Butane gas-Burner Lighter Heating Welding For Outdoor Camping Specifics: Material: Copper+Aluminum Alloy+Plastic Color: Gold+Balck Size: approx. 12cmX2.2cm Application: For plumbing, air conditioning, heating ,welding and refrigeration and many more trades