The Precision Adjust Elite is an angle adjustable, seven abrasive grit, knife sharpening system that delivers precision and repeatability for the discerning edge enthusiast who wants the best in manual sharpening. Sharpening angles can be adjusted from 15 to 30 degrees in 1 degree increments to accommodate a wide range of kitchen, outdoor, and EDC knives. Two Tri-Brasive handles provide five diamond grit plates and a fine ceramic to repair, sharpen, and hone to an incredibly sharp edge. Then the leather strop refines and polishes your edge to scary sharp results. Included ceramic rod to hone your serrated knives.