Superior and Material: Made from high-grade material, our swaging drill bit set is constructed to withstand the test of time. It is and resistant 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