The Tube Expander features a hexagonal handle design that provides a comfortable and secure grip, the risk of slipping and improving work safety. This set includes a variety of different sizes of expanders, making it easy to find the right tool for the job. Whether you're a professional plumber or a DIY enthusiast, this tool is a must-have for anyone who works with copper or air conditioning systems. Features -Color:Black -Material:Metal -Size:6.50X3.00X3.00cm/2.55X1.18X1.18in - Versatile drill bit tool for expanding copper and air conditioning . - Simple and easy-to-use design for quick and efficient expansion. Helps save time and effort on the job. - Hexagonal handle design allows for a comfortable and secure grip. Easy to store and transport. - Suitable for professional plumbers and DIY enthusiasts alike. Can be used with a wide range of . - A must-have tool for anyone working with copper or air conditioning systems. Package list: 11 x drill bits