Heating - Maintains the ductility of the copper during the forming process for leak proof joints.FITS ANY DRILL - Works efficiently with common screwdrivers and drills*, check minimum requirements.10X FASTER - Torch and swaddle in 5 seconds: 10X faster than traditional tools.Avoid Cracking and Leaks - The high temperature process will ensure a perfect fit and the metal will not crack or thin.410a Compatible - Tube walls remain thick to withstand the high pressure of the refrigerant.Delivery Quantity: 1set (6pcs)Package Contents: Only the above package contents, excluding other products.Size: Details as shown(Reminder: The size is measured manually, please allow 1-2 cm measurement error)Colour: Black(Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)