1. Heating function: Helps maintain the ductility of copper during the forming process for a leak - proof connection. 2. Compatibility with drills: Can work efficiently with ordinary screwdrivers and drills. It is advisable to check the minimum requirements. 3. High - speed performance: Completes heating and wrapping within 5 seconds, about 10 times faster than traditional tools. 4. Cracking and leakage prevention: High - temperature treatment ensures a good fit, and the metal is less likely to crack or thin. 5. Compatibility with 410a refrigerant: The pipe wall is thick enough to withstand the high pressure of the refrigerant. 6. Delivery quantity: 1 set (6 pieces). 7. Packaging content: Only includes the items in the above packaging, and other products are not included. 8. Dimensions: Details are shown in the figure. (Reminder: The dimensions are manually measured, and a measurement error of 1 - 2 cm is possible.) 9. Color: Black. (Due to differences in monitors and lighting effects, the actual color of the item may vary slightly from the color shown in the picture.)