Trend DWS/B7/FC Fine/Coarse 7-Inch by 2-1/2-Inch Double-sided Diamond Bench Stone Precision flatness gives the ability to also sharpen spindle knives in house Fine 1000 grit (11 micron) and coarse 340 grit (45 micron) Complete with fabric tool holder, cleaning block and non slip mat The fine grit is suitable for a finish suitable for carving tools Ideal for flattening chisels and plane blades as well as achieving a shaving edge in seconds