I just got these knives for Christmas and they are amazing!! The prep knife cut through my cucumbers and tomatoes like butter! My knives were so bad that the only way I could cut a tomato was by using a serrated knife because I couldn't get through the skin. Now, no problem! Super excited about the self sharpening block too because I never sharpened my knives, ok maybe that's why I couldnt cut through a tomato! I would always say, next time I'll do it. So now I dont have to remind myself! I'm very happy with my purchase!