Specification Brand : uxcell BulletPoint1 : Specifications: Shank diameter: 3mm(1/8"), cutting edge diameter: 3mm(1/8"). Fits most rotary die grinders BulletPoint2 : Long Working Life: Made of heat-treated tungsten carbide that hardness can be up to above HRA85, sharp and sturdy, long service life BulletPoint3 : Double Cut Design: The groove lines are crossed. Double groove rotary files are more suitable for the object density is relatively low, such as wood, plastic, aluminum. With good milling and cutting performance, ensures high work efficiency. BulletPoint4 : Versatile Use: Widely used for metalwork, tool making, model engineering, wood carving, jewelry making,welding, chamfering, casting, deburring, grinding, sculpting BulletPoint5 : Tips: Requirement of the carbide burrs rotating speed is: 4000-50000 rpm. Always ensure your burrs shank is well inserted into your collet and clamped down tightly Color : Silver ExternallyAssignedProductIdentifier : 9007468652681 ExternallyAssignedProductIdentifier1 : 855814007260 ExternallyAssignedProductIdentifier2 : 0855814007260 FinishType : Finished IncludedComponents : (10) Wood Carving Bits, (5) Coarse Sanding Flap Wheels ItemName : uxcell Tungsten Carbide Rotary Files 1/8" Shank, Double Cut Top Toothed Cylinder Shape Rotary Burrs Tool 3mm Dia, for Die Grinder Wood Soft Metal Polishing Model Engineering, 15pcs ItemPackageDimensions_Height : 0.39 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 15 ItemShape : Flame ItemShape1 : Wheel ItemShape2 : Tree ItemShape3 : Inverted Cone ItemShape4 : Oval ItemShape5 : Cone ItemShape6 : Ball ItemShape7 : Flame ItemShape8 : Cylindrical ItemTypeKeyword : cutting-burrs Manufacturer : uxcell Material : Wood MeasurementSystem1 : Imperial MeasurementSystem2 : Metric ModelNumber : J7260 PartNumber : a24022700ux0125 ProductDescription : Description: Made of heat-treated tungsten carbide that hardness can be up to above HRA85, sharp and sturdy, long service life. The lines are crossed. Double groove rotary files are more suitable for the object density is relatively low, such as wood, plastic, aluminum. Widely used for metalwork, tool making, model engineering, wood carving, welding, casting, deburring, grinding, sculpting Tips: Requirement of the carbide burrs rotating speed is: 4000-50000 rpm. Always ensure your burrs shank is well inserted into your collet and clamped down tightly