Feature:1. This spiral ball end cutter is used for engraving, drilling, milling, cutting and engraving of hardwood, plywood, acrylic, plastic fiber, resin, PCB and other materials.2. The 2 flutes ball end mill is especially suitable for 3D relief and complex 3D engraving. Cutting edge is acute, the exterior is free of burrs.3. Spiral ball drilling cutter, used for carving and carving curved surfaces, easy to remove chips.4. The Nanoblue coating of the drill increases the hardness, thereby prolonging the service life, and the drill bit is more durable and wearresistant.5. This ultrafine carbide material can ensure its engraving and milling performance.Specification:Item Type: Spiral Ball End CutterMaterial: Tungsten steelColor: BlueTotal Length: Approx. 55mm / 2.2inHandle Diameter: Approx. 3.175mm / 0.1inToughness: Approx. 28mm / 1.1inDrill Diameter: Approx. 3.175mm / 0.1in.Package List:1 x Spiral Ball End Mill Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.