Drill, 5-in-1 multi-tool, cooling and air conditioning tools copper pipe extension tool, balancing tool

Air Conditioning Tool: When installing air conditioners, the welding tool's drill bit can expand copper pipes, allowing you to join two copper pipes together. (For mounting on a handheld drill.) ⚙️ 5-in-1 Design: No need to change drill bits for different pipe sizes. ⚙️ High-Strength Alloy: The copper pipe welding drill bit is made of a high-strength, high-speed alloy. ⚙️ Various Sizes: The copper flaring drill bit fits most common air conditioning pipes; the diameters are suitable for pipe diameters of 1.905 cm, 1.5875 cm, 1.27 cm, 0.9525 cm, and 0.635 cm. Easy Installation: Ideal for installers, whether beginners or professionals, to simplify the job. Air Conditioning Repair Tool: When installing an air conditioner, the welding tool's drill bit can expand copper pipes, allowing you to join two copper pipes together. (Mounts on a hand drill.) ⚙️ 5-in-1 Design: No need to change drill bits for different sizes. ⚙️ High-Strength Alloy: The copper pipe welding drill bit is made of a high-strength, high-speed alloy. Features: A complete set of expanding drill bits makes expanding air conditioner pipes easy. The ductility of copper/aluminum is maintained during die forging to prevent cracking and leaks. Suitable for standard hard and soft copper; easy brazing. The forging drill bit ensures a deep crimp and a perfect fit. When installing air conditioners, the brazing drill bit expands the copper pipe to join two copper pipes together. (Mounting on a hand drill is required.)
5-in-1 shape drill, easy to transport, for easier and more convenient work.

Package includes:
1 piece HVAC tool copper pipe expander
Material: Bearing steel
Surface treatment: Blackened
Size: 1/4" (6 mm), 3/8" (9 mm), 1/2" (12 mm), 5/8" (16 mm), 3/4" (19 mm)
Warning: The drill will be hot during use; please be careful with hot hands.