Your knives are only as sharp as your sharpening stone is flat. The Messermeister Diamond Stone Flattener makes sure your water stones stay in top form, so your blades can too. Over time, even the best sharpening stones develop grooves and dips from repeated use—which means uneven pressure and inconsistent edges. This flattener, packed with industrial-grade diamond abrasives, quickly grinds your stone’s surface back to level, creating the ideal foundation for clean, effective sharpening. Easy to use and built to last, it pairs perfectly with your Messermeister Maintenance, Restoration, or Polishing Stones for a complete blade care setup. Just add water, make a few smooth passes, and enjoy the satisfaction of knowing your sharpening station is as dialed-in as your knife skills. Because a sharp edge starts with a flat stone—and a little love goes a long way.