ITEM NAME:10pcs Carbide Ball Nose End Mills 2Flutes CNC Engraving Drill Bits Set 1-3.175mm Descriptio n Description: 100% brand new and high quality. Chatter resistant design for superior surface finishes and long tool life. application: For wood, MDF, HDF, solid wood, epoxy board, PVC, plastic Sharp cutting reasonable matched with high strength of cutter. Arc relief angle makes tool better wear-resistance. for wood working 10PCS set Car.Chatter resistant design for superior surface finishes and long tool life. We'd like to settle any problem in a friendly manner. Blade length: L1=4 6 8 12 12mm. We want to make sure you are happy with our item.