Sidekick Replacement Stone Ceramic Sidekick Replacement Stone Ceramic SDKSTONEC Replacement Medium Grit Ceramic Stone for the Sidekick sharpener. 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.