Ceramic, Cylindrical Sharpening Stone Ceramic, Cylindrical Sharpening Stone SSKC The Cylindrical Ceramic Sharpening Stone, Fine Grit, is used for sharpening curved edges and facial surfaces of scalers. Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.