Superior and Material: Made from high-grade material, our swaging drill bit set is constructed to withstand the test of time. It is and to breaking or deforming, promising a longer and consistent performance. Variety of Sizes: Our swage tube expander comes with drill bits of multiple sizes that perfectly fit most copper pipes. The design is tailored to cater to a broad range of requirements, offering you flexibility and ease. Dual Measurement System: With this soft copper tubing tools , you get the choice of both the metric and imperial system. Depending on your needs, you can choose that suits you best. Our objective is to provide you with convenience and simplicity. Perfect Expansion Tool: This is an expertly crafted copper pipe expansion tool, designed to work seamlessly with your drill. It ensures easy and efficient expansion of copper pipes, Perfect for air conditioning applications. Get ready for an effortless and smooth operation! Please note:Slight color difference or difference in kind, please do not mind, does not affect the use, thank you! Type: Power Tool Parts A: Inch: 1/4inch, 3/8inch, 1/2inch, 5/8inch, 3/4inch Colour:black Material:carbon steel Package Contents: 6 x Air Conditioner Copper Pipe Expander Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.