Cheap And Discounts 5PCS 3.175 4 6 8mm UP DOWN Cut Two Flutes Spiral Carbide Mill Tool Cutters for CNC Router, Compression Wood End Mill Cutter Bits Wholesale. Buy Directly From Merchant YOYO TOOL Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.