You can also check V-Sharp Classic II Black and Pro Knife Sharpener Kitchen Sharpening System Fix-Angle With 4 Sharpening Stones for a better comparison at Knife-sharpener.org.

Chef's Choice Hybrid 21 Sharpener. efficient for an extremely burr-free of "bite".
Two stage sharpening provides arch-shaped edge is and diamond abrasives 1 and resharpen without power.
Sharpens edge and Ideal for kitchen and household sports knives and pocket body with black Origin:.
Login to see all details