Trend CR/DWS/B6/FC CraftPro Bench stone D/S F/C 6x2.3/8x1/4 inchCraftPro double sided 6 inch stone fine & courseA double sided diamond bench stone 6 inches x 2 3/8 inches.Monocrystalline diamonds for fast, clean, stock removal.Excellent sharpening performance.Double sided for coarse sharpening and fine honing.Coarse 360 grit (nom. 40 microns) and fine 600 grit (nom. 25 microns).Coarse ideal for carpentry as it rapidly fixes or restores a damaged edge or blunt tools, including chisels and plane irons.Fine ideal for cabineting making for a fine finish, refines the cutting edges of chisels, small knives, etc Achieves a razor edge in seconds.With plastic base and non slip feet with and protective lid.Coarse side is solid diamond.Oval holes design on fine side to collect and hold metal residue. Fine side also has clear solid area for small tools. Ideal for site and workshop. Use with plane irons and chisels. Suitable for all handtools.Recommended use with Trend lapping fluid to prevent clogging or rusting and assist in keeping tools clean.Specification-Size=152 mm x 61 mm x 6 mmGrade=Fine & Course Grit=600 & 360 (nom. 25 & 40 micron)