For use with the Fino Edge Precision Knife Sharpening System Item # FE-PSS01. Includes one super fine 1,750 grit monocrystalline diamond hone block. Also includes a leather finishing strop with a 11 x 2 inch working area with both suede and smooth sides for achieving a razor-sharp edge on all of your sharpening. The leather strop can be used with or without honing compounds to achieve the finest edge possible as your last sharpening step.