Easilyapply razor sharp edges with this advanced Hybrid technology. This sharpener effectively combines electric and manual Criss-Cross advanced sharpening for an extremely sharp, burr-free edge. It is easy to use featuring two stages to provide a long lasting edge. Chef Choice's signature 100% diamond abrasives are used in both stages. Stage 1 is electric for sharpening and Stage 2 is manual for honing. It sharpens both straight and serrated knives, kitchen and household knives, sports and pocket knives. Great benefits for a great price!