Crystolon Machine Knife Stone - (NAB61463687570)

Built for use in paper and cloth-cutting shops, the Norton Crystolon Machine Knife Stone sharpens and hones with ease. Made with a dual grit silicon carbide abrasive, use the coarse grit side for sharpening and the fine side for honing paper and cloth-cutting knives and planer knives. For maximum comfort and usability, these stones feature a groove around the middle to protect fingers and provide a secure hold.