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54 Grit Stem Grinder Stone.
4" Diameter, Straight Cup style, 1 1/8" overall thickness with 1/2" Hole Diameter
Fits All Black & Decker Model Valve Grinders EXCEPT #6
OEM Part Number: 20939
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60 Grit General Purpose Valve Grinder Stone.
5" Diameter, Offset style, 1" overall thickness with 5/8" Hole Diameter with 20 degree face angle
Fits Black & Decker Model P, PC, PCB, T, TO, TC, TD, TG, 282/550, 6300, 6305 Valve Grinders
OEM Part Number: 34131
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80 Grit General Purpose Valve Grinder Stone.
5" Diameter, Dish style, 3/4" overall thickness with 5/8" Hole Diameter
Comes with 2 hardened Steel Spacer Washers that go behind the Stone
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100 Grit Valve Grinder Stone for Stellite Valves.
5" Diameter, Dish style, 3/4" overall thickness with 5/8" Hole Diameter
Comes with 2 hardened Steel Spacer Washers that go behind the Stone