The breakthrough 2-Stage manual knife sharpener that puts an excellent, longer lasting edge on both straight edge and serrated blades. This professional quality knife sharpener combines key features essential for consistent razor-sharp edges; precision sharpening angle guides, 2-Stage sharpening, and 100% diamond abrasives, in an easy-to-use design that is safe for quality knives. The Chef'sChoice? Model 460 can be used right-or left-handed and comes with a functional and attractive dust cover. Made in the U.S.A.