Cheap And Discounts CNC 4mm Shank Carving Bit 20/25/30 Degrees V Shape End Mill CNC Router Bit Milling Cutter for Wood Flat bottomed Engraving Knife Wholesale. Buy Directly From Merchant GLKJ Tools Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.