ST-11 Refacing Stone

Used as a refacing medium for Taber CS-10F Calibrase abrading wheels.  Vitrified composition consisting of two fine sides (180 grit), 4” diameter x ¼” thick with ¼” center hole.  [Replaced original Duplex ST-11 Refacing Stone which offered fine (80 grit) and coarse (180 grit) sides.]