In and of itself the Maschiene works quite well. I wanted a Schlagbohrmaschiene or hammer drill with battery as a secondary device, as I did not wegem every little hole that I want to drill times specially wanted to get the big Maschiene from the workshop. The Uneo Maxx can certainly not my bigger hammer completely replace but holes in the masonry and smaller holes in concrete it is safe enough. A major point of criticism I have to say. This applies to the accessories. Although there are a few bits and two concrete drills and universal drills included 6 and 8 mm, but when you want to buy something, then you are faced with problems because of special aufgund Chuck adapter not fit everything in. Unfortunately there is no Richigen sets that contain only drills, but only that with everything in it, such as drill bits and other bits I have lying around kram.Aber already to thousands at home. So I do not need another. Would need only drill for different materials the spectrum from 4 to 10 mm cover. And since siehts mau or every drill you can buy separately. And then it will be expensive