Premium High Speed Steel: Crafted from high speed steel for wear resistance and sharpness, perfect for woodworking and detailed sanding tasks by professional and hobbyists. Hexagonal Shank Compatibility: Features a 6.35Mm hexagonal shank design for easy compatibility with various power tools, ensuring secure installation and stable during high speed rotation. Versatile Sanding : Ideal for sanding wood, , and soft metals, especially effective for intricate curves and irregular shapes, meeting high precisions craftsmanship demands. Efficient Rotational Design: The unique rotary file design works seamlessly with power tools to reduce manual sanding time, smooth finishes quickly and boosting productivity. Compact and Portable: Lightweight construction enhances portability and storage convenience, making it suitable for on site woodworking or DIYer projects without occupying much space.