Preethi blue leaf mixer have the fastest cutting blades in the jar which moves on high speed and cuts everything you put in it. I have this mixer at my home and it is 1 year old, it have finest condition now. Almost many things like juice, vegetables and other crushable things cuts in this mixer. It have various jars of different capacity for various types of things. Also when I bought this, seller gave me a warranty period in which I can also replace it. It is economic to middle class.