#302 Sharpening Stone for the Handpiece #302 Sharpening Stone for the Handpiece SS302 Mandrel Mounted Stone for the handpiece restores the cutting edge on dull instruments. Stones are made of white aluminum oxide. Where to Buy x Category - Any - Dealer Partners Sales Representative Strategic Markets Schools Representative Accutronâ„¢ Equipment Sales Zip Code Find Representative Reset No results found. Please try a different search or explore: Sales Representatives | Dealer Partners | Strategic Markets | Schools | Accutron