This high-quality Nikasil Grinding Stone should be used with your Portable Chainsaw Electric Sharpener or other tools.
The Nikasil Grinding Stone is made of nickel silicon carbide. Silicon carbide is a very hard ceramic (much harder than steel) that can be dissolved in nickel.
|S||5/32" / 4 mm|
|M||3/16" / 4.8 mm|
|L||7/32" / 5.5 mm|
|Package includes||Nikasil Grinding Stone x 12|