Made in USA: quality stones at competitive prices for most general purpose applications
Crystolon is premium silicon carbide for fast stock removal, quick edge shaping with low loading
Silicon carbide is a fast cutting abrasive. Commonly used on nonferrous metals and in low pressure applications.
May be used to quickly resharpen a cutting edge, but the resulting edge will not be long lasting
When more than one grit size is necessary to resharpen a cutting edge, a craftsman will often use a combination stone to lessen both the expense and the inconvenience of using two single grit stones
The machine knife stone is a fast cutting silicon carbide combination stone with a finger protective groove that enables the craftsman to safely resharpen machine mounted knives