Cheap And Discounts Grooving holder KGMR1616H-2T17 KGMR1616 Grooving Lathe cutter Turning Tool Holder for CNC Carbide Inserts GMM2020 Cutter blade Wholesale. Buy Directly From Merchant JHSK. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.