The flame torch is convenient to use and suitable for metal welding, pipe thawing, outdoor barbecues, cake baking, air conditioner and refrigerator copper pipe processing, singeing, and household maintenance. Welding Instructions: Use with universal copper-aluminum flux-cored welding wire (not tin welding wire) for welding and repairing copper, aluminum, iron, stainless steel, and other common household metal items. Not suitable for cast iron, cast copper, or other hard and thick castings. Step 1: Clean the welding joint thoroughly to remove dirt and oil before starting. Step 2: Heat the base metal (welding parts) to 350400C, then apply the welding wire at the joint. Do not overheat the base metal until it turns red. Note: If the welding wire does not adhere after melting, the base metal may not be sufficiently heated. The dual-head welding torch can reach a temperature of up to 2000C. Tips: Product design and appearance may be updated periodically. Actual product may vary slightly in color or appearance. Please consider this before placing your order if specific color or appearance is important to you. Color: Blue Material: Rubber + Copper Package Contents: 1 x Propane Torch Note: Other items not included. Lighting effects and monitor settings may cause slight color differences between the image and the actual item. Measurement error allowed is +/- 13 cm.