Cheap And Discounts 5pcs 6x10mm Tungsten Carbide Burrs Carving Bit Double Cutter for Rotary Burring Set File Grinder Metal Drawing Bit CNC Engraving Wholesale. Buy Directly From Merchant aToolTour Global Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.