Cheap And Discounts 10Pcs 1/8" 6mm Tungsten Carbide Cutter Rotary Burr Set CNC Engraving Bit Tool Wholesale. Buy Directly From Merchant Shenzhen Yishitongda Trade Co., Ltd.. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.