The breakthrough two-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, two-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.