7 Pcs Copper Tube Expander Air Conditioner Drill Bit Set 5 in 1

The kit includes six tube expanders of different sizes and a 5-in-1 copper tube expander, suitable for multiple diameters of copper pipes Made of carbon steel, the handle tube expander provides corrosion resistance, ensuring the tools remain resistant to deformation or wear during frequent use Featuring a universal hex shank design, the expanders easily fit manual copper tube expanders or electric drills for effortless pipe expansion This copper pipe flaring tool is used to create straight flares of corresponding dimensions on copper tubes, thus ensuring a leak-proof connection Compact and lightweight, the copper tube expanders are easy to carry and store, making them ideal for on-site repairs or mobile work