Produce superior edges on planes and straight chisels with the Norton Single Grit Waterstone. A system of four synthetic stones, these waterstones are designed to work together with water for fast sharpening, achieving a fine finish. Softer than oilstones, waterstones provide lapping action for superb results with low pressure. Color-coded by grit, choose the 220 grit for repairing damaged tools, 1000 grit for the initial cut, 4000 grit for excellent finishing, and 8000 grit for polishing.