High quality blade - The blade is made of hardened high-speed steel, sharp, moves smoothly, has strong power, is wear-resistant, and has a very smooth surface. Handheld Convenience - A convenient small deburring tool comfortably placed in your hand, with a 360 degree rotating blade that can easily and cleanly remove burrs and quickly break edges. Internal storage design - can open the pipe hole pin to store spare blades. You can replace the blades at any time, saving time and money. Widely used - Deburring tools are suitable for deburring 3D printed plastic parts. Suitable for surface treatment of copper, metal, steel, pipes, and wood. Can be used for household use, pipeline applications, or machine tools in workshops. The deburring tool includes -1 plastic deburring handle with a blade and 10 spare blades. Blade size: 47mm * 3.2mm (total length * diameter); Knife handle size: 125mm * 22mm (length * diameter).