Compared to competition is the small size that makes the difference, it helps pass or drill does not pass but the downside is its torque for screwing and not sink into the wood hard, more the battery died after one year after serving in normal use. Note that the box version ferrules accessories that allow access to difficult places, otherwise the game of heads on the support is the bare minimum, but you can adapt the small light vôtres.la can see but it must pump out autonomy for intensive use 15 minutes is the maximum.