With more than 35 years of hands-on experience, Chardon Tool in Chardon, Ohio, manufactures single-crystal diamond tools for ultra-precision machining and rotogravure printing. Its toolmakers work closely with customers on difficult or uncommon designs, using scanning electron microscopy to inspect cutting edges at magnifications up to 5,000x. Chardon Tool also relaps diamond tools from any manufacturer, extending the useful life of precision and printing tools.