Features: This drill set features an adjustable and replaceable center drill, suitable for various tasks. The round handle with an 8mm connection is compatible with different machines. This drill set includes drill bits of different sizes, providing precise holes in wood, metal, and other materials. The detachable cylinder ensures easy use and accuracy. Designed for individuals who need to drill holes, such as woodworking enthusiasts, hobbyists, and constructions workers. Suitable for various applications, including furniture making, door and window installation, and home improvement projects. A versatile tool for different constructions and improvement tasks. With this comprehensive drill set, you can achieve professional drilling results and complete your home improvement projects efficiently. It is an essential tool for any project. Specifications: Component:Metal Option Type:8.3mm/0.32inch Cutter Width Bit,10.2mm/0.4inch Cutter Width Bit, Package Includes: 5pcs HSS Countersink Drill Bit 1pc Tool note: Please allow 1-2cm errors due to manual measurement,please make sure that you donot mind befores you order. Due to the differences between different monitors, the picture may not reflect the actual item color.