Model VR-6500

70 Grit General Purpose Valve Grinder Stone. 

6" Diameter,  Flair Cup style, 1 3/8" overall thickness with 3/4" Hole Diameter

Fits Sunnen, Tobin Arp, & S&D VR-6500 & VG-6500 Valve Grinders

OEM Part Number: ST-BEV-1

60 Grit Stem Grinder Stone. 

5" Diameter,  Recessed style, 1 3/8" overall thickness with 3/4" Hole Diameter

Fits Sunnen, Tobin Arp, & S&D VR-6500 & VG-6500 Valve Grinders

OEM Part Number: S-F-2