This high-quality Corundum Grinding Stone should be used with your Portable Electric Chainsaw Sharpener or other tools.
These grinding heads are made of corundum grinding stone: a rock-forming mineral, that is a crystalline form of aluminum oxide with traces of iron, titanium, vanadium, and chromium. Corundum has a hardness of 9 on the 10-point Mohs' scale.
|S||5/32" / 4 mm|
|M||3/16" / 4.8 mm|
|L||7/32" / 5.5 mm|
|Package includes||Corundum Grinding Stone x 12|
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