The efficient Hybrid from sharpener from Chef'sChoice effectively combines electric and manual sharpening technology for an extremely sharp, burr-free edge with lots of bite. It’s easy to use, featuring two sharpening stages that provide a strong and durable arch-shaped edge, using Chef’sChoice signature 100% diamond abrasives in both stages. Stage 1 is electric for sharpening, stage 2 is manual for honing and resharpening - without power. Fast and easy to use, with no guesswork, the Hybrid features elegant and durable brushed stainless steel knife guides. It sharpens straight and serrated edge knives, kitchen and household knives, sports knives and pocket knives. One year limited warranty.