Cheap And Discounts 1PC High Quality SER2020K16 SEL2020K16 External Threading Turning Tools Holder CNC Lathe Turning Tool for 16ER inserts Wholesale. Buy Directly From Merchant DYSMCV Tools Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.