Large Size Range: With a diameter range of 10-45mm, the Large Size Bit Step Drilling Pagoda design provides versatility for different hole sizes, catering to all your drilling needs in one tool without the hassle of changing bits frequently. High-Speed Performance: Crafted from premium high-speed steel, this Drilling Bit delivers exceptional durability and sharpness, allowing you to drill through materials effortlessly and achieve professional results every time. Versatile Drilling Tool: The 10-45mm High Speed Steel Bit is perfect for a variety of drilling tasks, making it an essential addition to your toolkit. Whether you're working with wood, metal, or plastic, this bit ensures clean and precise holes. Efficient Hole Opening: The Electric Drill Hole Opener is designed for maximum efficiency, minimizing friction and heat during use, which extends the life of the bit and enhances overall performance during your drilling projects. User-Friendly Design: The ergonomic design of the 10-45mm High Speed Steel Bit ensures easy handling and control, making it suitable for both professionals and DIY enthusiasts seeking to achieve accurate and smooth drilling results., Manufacturer: Akfldms