Cordless screwdriver drill and rotary hammer at once this is the uneo maxx from bosch is compact powerful and unbelievably versatile this cordless rotary hammer enables you to hammer drive screws and drill into any surface be it wood plaster brick or even concrete all with one toolthe uneo maxxs innovative pneumatic hammer mechanism makes this possible its powerful lithium ion battery and intelligent bosch syneon chip supply the uneo maxx with impressive power and more runtime per ba