1/4inch, 3/8inch, 1/2inch, 5/8inch, 3/4inch and 7/8inch, Set of 2 with 1/4inch bit holder key chain. with 6 sizes, eliminates the need for frequent size changes. It's portable, easy to use, highly efficient, and 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. 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. It creates leak-free connections, providing high efficiency, remarkable speed, and visible results, ultimately saving you valuable time. Color: As Shown Material: Metal Package Contents: 2pcs x swaging tool hvac 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.