Super equipment we have now 12 plum trees 4 to 6 meters circumcised partly to 15cm branch thickness, 3Robinien movable light knots up to 10cm to 20cm, the lower branches all handled excellently at 5Meter tree height and several oaks. The device consumes a lot of chain oil, therefore procure the same time! Is included only in an amount for the first locust (max 1 tree size) exist therefore 2 to 3 hours. The chain needs to be tightened relatively little. However, the device can not be used arms really long drawn out (in full length) as do fast but limp. Well-trained man! After about half an hour has been with us time for a break. The device can be about (according to our subjective opinion) well used with respective 15min break. Very simply, it has also the oak branches we cut were amazed at the power of the electric motor did not count on the power therefore full star number at all, except for the mega oil consumption. Top equipment for the hobby gardener super price / performance.