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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
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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