Comprehensive Kit: This 5-piece countersink drill bit set includes sizes 2.5, 2.8, 3, 3.2, and 3.5 mm, along with 5 hex wrenches and replaceable bits. Ideal for various woodworking tasks, ensuring versatility and convenience for any project. Superior Material Quality: Crafted from high-speed and tungsten steel, with a 45# steel base for the body, these drill bits offer exceptional durability. The wear-resistant design ensures smooth, burr-free cuts and a fast drilling experience. Adjustable and User-Friendly: Easily adjust the drill length using the included hex wrench to accommodate screws of different lengths, enhancing your work efficiency. This feature makes it perfect for DIY enthusiasts and woodworking projects of all sizes. Versatile Drilling Options: Equipped with 5 interchangeable drill bits, this set meets precise drilling requirements. The standard 90-degree countersunk angle is ideal for creating flat-bottom holes, allowing for seamless countersinking and counterboring. Efficient and Portable: Designed for optimal chip removal, these drill bits prevent clogging and boost drilling efficiency. Color: Orange Material: Metal Package Contents: 5 * countersunk drill (2.5/2.8/3/3.2/3.5mm) 5 * small wrench 5 * replacement drill core 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 to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.