I was faced with the problem, build shelves after buying an apartment and hang lamps. A Bosch hammer from the hardware store has driven me to despair, as I have tried 5 mm (!) Dowel holes in the ceiling to drilling. With the Makita is the second thing, as with a hammer should be according to my understanding also. Besides making the machine and mechanically a good impression. So the removal, renovation makes downright fun. Holes in stone walls and wood are also not an issue, and reindrehen a dowel is necessary even times (have been no cordless screwdriver). I can only recommend the Makita 2450 yourselfer to my previous experiences! Delivery by Amazon was top!