Cheap And Discounts 100% Original FMM300R-03 FMM400R-04 NC3030 3MM 4MM Carbide Grooving Inserts FMM 300R-03 400R-04 Slotted Blade Lathe Cutter Tool Wholesale. Buy Directly From Merchant TUOZ Cutting Tools Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.