not screwed but I know if you count those cut with knives. ok its fine but this is normal cutting ceramics .. do not think cutting carrots or a roast with: the largest blade does not even 8cm (for 1 kitchen knife). do not expect to receive large knives like those sold in a box with the base. I was really fooled by the photo. " I do not recommend it at all because no solid believe that these are cons so with the acronym "pradel France".