Feature:1. QUICK REMOVAL: Very rough coatings allow quick stock removal while maintaining a relatively smooth finish, very efficient2. DURABLE MATERIAL AND PROCESS: Made of chrome vanadium alloy steel material, hardened and uniquely polished to make spherical burrs durable3. OF SHARPNESS EDGE: The cutting edge has undergone a unique fine polishing treatment, and the cutting edge is of sharpness and neatly arranged to grind wood more smoothly4. FOR WOOD AND METAL MATERIAL: Spherical rotary file is suitable for wood and metal carving, grinding, engraving, very practical5. APPLICABLE ANGLE GRINDER MODEL: The thread size for 14mm, suitable for 115, 125 type angle grinders, provide great convenienceSpecification:Item Type: Sphere Rotary FileMaterial: Chrome vanadium alloy steelApplication: Spherical burrScope of Application: Wood grindingColour: BlackThread Size: Approx. 14mm / 0.55inApplicable Angle Grinder Model: For 115, 125 type angle grinder.Package List:1 x Sphere Rotary FileNote:When using, do not directly hold the spherical part to avoid being stabbed, please wear gloves when holding the spherical part.