Recondition your cup and saucer wheels with the NorBide boron nitride dressing stick, featuring super fine grit boron nitride abrasive for high quality dressing. This is the hardest stick you can buy, offering durability and plenty of functional use. For convenience, use one stick to dress all grinding wheels that are 46 grit and finer or M grade and softer. Fabricators choose the NorBide stick for dressing tool and cutter wheels measuring 10 inches or less, making it a great choice for cup and saucer style wheels.