Made of precision materials Every detail is , stable and long-lasting to use Rotate the adjustment switch to freely control the firepower Front adjustment of hardness and softness, rear adjustment of size Adjustable flame size and hardness to meet needs Adjustable hardness and softness, freely adjustable by rotation Turn the middle threaded knob to adjust the hardness and softness of the flame Adjustable large and small flames, freely adjustable by rotation Turn the top threaded knob to adjust the flame size Metal flame mouth, heat-conducting gasification liquid Built-in preheating copper tube, with heat-insulating ceramic ring, stable and , longer service life 360° inverted flame spraying, all-round without dead angle Inverted use is more convenient, easily cope with use angles Universal card interface, disassembly and assembly takes only two seconds Connecting the gas tank is convenient and fast, no air leakage, simple operation Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:Photo Color Material:copper Package Contents: 2 x Welding Torch Gas Burner Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.