By A Mystery Man Writer
#3570685 is a Diamond Chainsaw Grinding Wheel. Diamond abrasive wheels are for use on carbide saw chain.
Diamond 5 x 3/16 Chainsaw Grinding Wheel
Grinders – NorthAmericaSupply
5-3/4 Chain Saw Grinding Wheels
145mm (5 3/4) Diamond Chainsaw Sharpener Disc - Swarts Tools
UF-SHARP Diamond 5-3/4” Chainsaw Grinding Wheel 3/16 Thick for 3/8 and .404 Pitch Carbide Chains (3/16 inch Thick) : : Industrial & Scientific
CBN Chainsaw Sharpening 5 3/4 Disk, 7/8 Arbor, 1/8 Thick — Wood Turners Wonders
Grinding Wheels - Harbor Freight Tools
145mm (5 3/4) Diamond Chainsaw Sharpener Disc - Swarts Tools
5/16 CBN Borazon Wheel (11BC) for Oregon Grinder, 5-1/2 x 7/8 – American Forestry
Oregon OR534-516-CBN Borazon Grinding Wheel, 5-3/4 x 5/16 x 5/8 – American Forestry