Cheap And Discounts MVR Series CNC Lathe Tool Small Bore Boring Tools MVR6 MVR8 B2.0/R2.5/B3.0 /B4.0 L10/15/22 General Turning Small Aperture Boring Wholesale. Buy Directly From Merchant gstoor Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.