.100% diamond abrasives wheels in all 2 stages
.Sharpen both ceramic knives and metal knives
.Sharpen both straight edge and serrated knives
.Sharpen all types of knives：Kitchen,household,sports,fishing and pocket knives.
.Stage 1 for coarse sharpening ,stage 2 for honing,polishing and serrated knives.
.Auto-adjustable angle sharpening wheel for both Asian style knives and European,American style knives
.Non-slip silicone base to keep stable
.Preset sharpening angles provide guaranteed results