1/4Inch, 3/8Inch, 1/2Inch, 5/8Inch, 3/4Inch and 7/8Inch 1/4 Hex Drill Bit Holder: The quick-release design of the drill bit extension kit ensures efficient and convenient use. You can hang it onto your belt, your tool bag, your ladder, and more The quick-release design of the drill bit extension kit ensures efficient and convenient use. You can hang it onto your belt, your tool bag, your ladder, and more Compared to other copper tube flaring tools, our 6-in-1 copper pipe swaging drill bit with 6 sizes, eliminates the need for frequent size changes. It's portable, easy to use, highly efficient, and great value for money With a 1/4inch hexagon handle, the drill bit set is simple and easy to use, which can be directly connected to the electric drill interface It creates leak-free connections, providing high efficiency, remarkable speed, and visible results, ultimately saving you valuable time *Please wear anti-scalding gloves, goggles, and other safety protective equipment during operation Colour:As Shown Material:Metal Package Contents: 1 set x hvac tools 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.