Feature: 1. It is made of fine quality copper, sturdy and practical. 2. It is suitable for restaurants and household to make food. 3. The f lame can reach 1300 degrees, which can melt metals such as gold, silver, copper, aluminum and tin, and cannot melt steel and iron. 4. The general firepower of cassette gases cylinders can last about 1.5-2 hours. 5. It can be fixed on butanes tank, which can be replaced, cycle use is environmentally-friendly. Specification: Be applied in microwelding involving copper welding, silver welding, tin welding and ornament processing. Features: It is made of fine quality copper, sturdy and practical. It is suitable for restaurants and household to make food. The f lame can reach 1300 degrees, which can melt metals such as gold, silver, copper, aluminum and tin, and cannot melt steel and iron. The general firepower of cassette gases cylinders can last about 1.5-2 hours. It can be fixed on butanes tanks, which can be replaced, cycle use is environmentally-friendly. Specifications: Material: copper F lame temperature: 1300° Length: 120mm Package size: 186 * 100 * 40mm / 7.3 * 3.9 * 1.6in Package weight: 150g / 5.3ounce Packing List: 1 * Heating Torch Package List: 1 * Heating Torch