the short head and compact shape ensure easy handling, easy working at height and good access in tight spaces fast working progress: with a rotation speed of up to 1,750 rpm the handy 1/4 inch bit holder makes it easy to change the bit professional 12 v system. compact performance. total freedom. all batteries are compatible with new and existing bosch professional tools in the same voltage class. supplied with: gsr 12v-35 hx, 1/2 l-boxx shimming for tool and charger, belt clip