Cheap And Discounts 1PCS SER1212H16 SER1616H16 SER2020K16 SER2525M16 CNC Lathe Machine Cutter External Thread Turning tool Holder Wholesale. Buy Directly From Merchant LRC Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.