The sweeper works on level floors with smooth and rough surface excellent! On soils with slight heels between floor panels it is not recommended! We now use the 2 sweeper of this type. The first was held for 5 years, then the height adjustment was broken. Now this sweeper has 2 large outer rear seats, a little wobbly wheels and some other sweeping bristles. The old man had back in the middle of a small wheel was better straight run and left a total of more solid impression. In the sweeping performance but they are equal. However, the new sweeper is considerably more expensive, with poorer quality.