Replacement stainless steel Preciso inner burr that comes standard on Virtuoso grinders. Can also be used to upgrade the burr on the Encore.
Redesigned conical inner burr for the Preciso and Virtuoso (586). This burr set is only compatible with the Virtuoso 586 with the Preciso burr. If you have an original Virtuoso 585, you will need to upgrade your grinder using the GB 2.0 Rebuild kit before you can switch to the new burr design.