Retail 3Pcs 4 6 8 Mm Carbide End Mill 4 Flutes End Mill Set Milling Cutter Tool Kit CNC Carbide Milling Cutter Spiral Router Bit Features:High-density polished,superhard,high-wearable. Max Cutting material hardness:HRC45High temperature, strong-resistant raw carbide. Long tool life. Easier roughing and finishing processing. Decreasing the times of changing cutters,Saving production time. Name:4 Flutes End MillMaterial:CarbideColor:Black+SilverCutter diameter: 4mm, 6mm, 8mmShank diameter: 4mm,6mm, 8mmQuantity:3pcsPackage includes:3 * 4 Flutes End MillOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.