The chopper is assembled quickly. After a little trial and error you will find very quickly the correct blade setting. However - and this is the one star deduction - is the locking of the catcher tedious. Only after several attempts and bucking around the pin can be inserted into the opening provided. The shredder operates very quietly, among the fastest he certainly does not count. With a high proportion foliage (shrubs) it takes a long time until the cut is through. However, no comparison, where leaves had to be nachgestopft to previously used choppers repeatedly. Overall recommended, were it not for the gimmick when locking the grass box (otherwise the device is not running). Too bad, because of Makita I would have just not expect such problems.