Cheap And Discounts 1PC MGHH320R/L13-20/36 MGHH320R/L 15-30/50 MGHH 320R/L16-50/80 17-80/160 18-160/400 20-200/800 CNC Holder CNC Carbide Grooving Wholesale. Buy Directly From Merchant xyjtool Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.