I have this device chosen because it has a final rating and two cutting blades that are stacked. In addition, I find the glass vessel far better than any plastic container. The lid is also well formed and protects the motor unit from contamination. Biggest gripe: The device is of the soundscape forth without understatement equivalent to a screeching drill. The Hexel performance is OK. Herbs, leaves and pine nuts are eg. finely pureed - Pesto is great. Tomatoes are being hacked, but also transforms into aqueous Mus, which is rather a shame. Hard cheese in small pieces of 1-2 cm not manage the device, but I would not expect from similar products in this design and price range. Since the device everything tumbles out the walls, and a "pull" only very weakly generated in the cutting blades into it, you have to help out from time to time during mashing with a spoon and scrape off the top walls of what. The unit I have kept, but it is only suitable for certain applications that basically all likely boil down to "Pureed". The 2 speed levels I think in everyday life for hardly relevant, since the result is largely the same.