Features: Brand new and high quality This HVAC Repair Swage Tube Expander Tool have 4/5 different sizes of drill bit, 5 in 1 including 1/4"（6MM）, 3/8"（10MM）, 1/2"（12MM）, 5/8"（16MM）, 3/4 "（19MM) 4 in 1 including 1/4"（6MM）, 3/8"（10MM）, 1/2"（12MM）, 5/8"（16MM） The Air Conditioner Copper Pipe Expander Swaging Tool works with an electric drill, easy to expand copper pipe. The electric drill is highly efficient and fast, saving more time and providing significant result. This Air Conditioner Tube Expander Tool is selected from metal with highly temperature hardening process. heat and wear resistant, not easy to break and deformation, safe to use. Use the electric drill Swaging Tool not only can expand the copper pipe, but also expand the pipe mouth function, 5 sizes of drill bit, suitable for most of the copper pipe, help air conditioning repair, refrigerator repair, copper pipe repair and other scenarios. Due to the heat generated by the copper pipe and copper pipe expander in the rotations expansion, please do not touch directly with your hands, wait for the copper pipe to cool down, and then operate to avoid injury to your hands. Specifications: Material:Alloy Type:5 in 1/4 in 1 5 in 1:Approx.11.6cm/4.56inch 4 in 1:Approx.10.6cm/4.17inch Package Includes: 1x Tube Expander note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.