Features: This pagoda drill is designed specifically for wood, plastic, and aluminum materials, making it easy to handle drilling and expanding needs for various materials. It is very suitable for home DIY and professional engineering use. The unique stepped shape allows users to achieve multiple apertures on a single drill bit, ranging from 5mm to 35mm(5, 7, 10, 12, 15, 17, 20, 22, 25, 27, 30, 32, 35mm), greatly facilitating quick switching between different apertures requirements and improving work efficiency. High-speed steel, the drill bit ensures excellent wear resistance and strength, and is not easily passivated after long-term use, maintaining good cutting performances. We offer two models: round handle and hexagonal handle. Users can freely choose according to the type of power tool, with easy and stable installation, strong compatibility, and adaptability to different working environments. The design of the Baota drill not only effectively prevents slippage, but also ensures precise positioning of each hole, reduces damage to materials, and improves the overall quality and accuracy of the operation. Specifications: Material: High-Speed Steel Specifications: 5-35mm (13th order: 5, 7, 10, 12, 15, 17, 20, 22, 25, 27, 30, 32, 35mm) Type:Silver Color Round Shank,Gold Color Round Shank,Gold Color Hexagonal Shank Package Includes: 1Piece Step Drill Bit note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.