At first I was completely thrilled: The Pürierleistung tip that Zerhäkseln super. Unfortunately already after 1 week turned no more knives at 1.Wipe the appliance. So back to Amazon and easier conversion. The new device has now held for 6 months, and the same mistakes again: The motor is running but when the blades can not get that. Now I must again cumbersome pack package, return, and am curious to see what happens next. Just plain annoying!