Review on Efficient Gray Work Sharp Culinary Knife Sharpener: Includes Ceramic Honing Rod - 7.2 x 4.5 x 5.2 inches by Erin Nguyen

Just received the goods. I sharpened three knives for about an hour. Cook 8″, Bone 6″ and Filet 7″. These knives are of average quality, they are about a year old. I cleaned them with diamond steel. This E5 sharpener has dulled every knife extremely! The chef's knife is so blunt now it's not even dangerous! Maybe it's just smaller and not strong enough for more than peeling. In my case, however, it made every knife even dumber! I tried to use the angelic guidance correctly. I've completed sculpting/sharpening over several cycles. The more I worked with the knives, the duller they became. If he tries to put a 17 degree edge on a 20 degree profile he has almost no power or bite.