10pcs Tungsten Carbide Rotary Files Burr Set 3mm Shank 6mm Cutter Head DiameterSimple cut10pcs Car Rotary File BurrFeatures :These cutters are made of tungsten carbide steel for high hardness and abrasion resistance.There are a total of 10 pieces of different shapes strawberries that you can use for multiple purposes.The 3mm round shank fits many electric or pneumatic tools.Can cut cast iron, cast steel, carbon steel, alloy steel, stainless steel, copper, aluminum, marble, jade, bone, etc.Widely used for carving, shaping and removing sharp edges or corners, burrs and excess material.+ productThese cutters are made of tungsten carbide steel for high hardness and abrasion resistance.There are a total of 10 pieces of different shapes strawberries that you can use for multiple purposes.Specifications:Material: Tungsten Carbide SteelType: Double Cut, Single Cut (Optional): Double Cut, Single Cut (Optional)Stem diameter: 3 mmCutting head diameter: 6 mmSpeed: 1000~3700R/minProcessing hardness: 85HRANoticed :The rotary file in pneumatic or electric tools, the speed is generally 1000~3700R/min, must clamp the tool firmly.Package includes:10 x Rotary CuttersFeaturesThe 3mm round shank fits many electric or pneumatic tools.Can cut cast iron, cast steel, carbon steel, alloy steel, stainless steel, copper, aluminum, marble, jade, bone, etc.Widely used for carving, shaping and removing sharp edges or corners, burrs and excess material.