Model 250 3-stage sharpener combines electric and manual sharpening for quality 20 degree class knives. ChefsChoice Hybrid Model 270 3-Stage knife sharpener combines electric and manual sharpening with CrissCross sharpening technology for extremely sharp edge. Chef's Choice Model 290 does both 15° and 20° Angles! Sharpens straight, serrated edge knives. The Chef’s Choice Hybrid 290 provides an economic solution to restore all types of dull knives in minutes. Value-Priced Hybrid for Euro/American and Asian Style Knives. Chef'sChoice® Hybrid knife sharpener model 210 combines electric and manual sharpening for 20 degree class knives using guides and 100% diamond abrasives. Combining electric and manual sharpening, the Chef’s Choice Hybrid Model 250 is ideal for all quality 20 degree class knives including fine edge and serrated, kitchen … 20° and 15° The Chef's Choice Hybrid #290 Sharpener is value-priced sharpener that will sharpen both traditional western style (20°) and Asian style (15°) knives. Description Combining electric and manual sharpening, the Chef'sChoice ® Hybrid ® Model 250 is ideal for all quality 20 degree class knives including fine edge and serrated, kitchen and household as well as sports and pocket knives. Accessories Chef's Choice Pronto Diamond Hone 463 Instructions For Use 2 pages Knife sharpener for asian knives Accessories Chef's Choice Angle Select 1520 Instruction Manual 16 pages The 3-stage hybrid model features both electric and manual functions. While the first 2 stages electrically sharpen 15 and 20-degree classes of knives respectively, the third stage will require manual polishing.