Cheap And Discounts SWYBB SHB20 SHB16 SHB 12 Lathe Boring Cutter Bar D16 D20 D25 CNC Small Diameter Tool Holder Tungsten Steel 100mm Support Wholesale. Buy Directly From Merchant B&BTOOLS Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.