Features: Brand new and high quality This Repair Swage Tube Expander Tool have 5 different size of drill bit, 5 in 1 including 1/4"（6MM）, 3/8"（10MM）, 1/2"（12MM）, 5/8"（16MM）, 3/4"（19MM) The Air Conditioner Coppers Pipe Expander Swaging Tool work with electric drill, easy to expand Coppers pipe. The electric drill is highly efficient and fast and providing significant result. This Air Conditioner Tube Expander Tool is selected from metal with highly temperature hardening process, not easy to break and deformation, safe to use. Use the electric drill Swaging Tool not only can expand the Coppers pipe, but also expand pipe mouth function, 5 size of drill bit, suitable for most of the Coppers pipe, help air conditioner repair, refrigerator repair, Coppers pipe repair. Due to heat generate by the Coppers pipe and Coppers pipe Expander in the rotations expansion, please do not touch directly with your hands, wait for the Coppers pipe to cooling down, then operate to avoid injury to your hands. Specifications: Material:Steel Size:Approx.10cm/3.93inch Package Includes: 1x Tube Expander note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.