This powerful machine uses Bosch's ProCORE range of 18 volt batteries and combines it with their BITURBO Brushless motor technology. Brushless motors provide much higher power and efficiency and allow longer battery runtime . Superb cordless cutting performance equal to a corded machine plus The machine is relatively compact and designed in such a way that there is as little of the machine as possible to the right of the blade. This would allow you to cut the bottom off a door without taking it down or get the blade as close as 10mm to a wall you're cutting along. The GKT18V52GC takes a 140mm diameter saw blade but gets an impressive 52mm cut depth, or 46mm when on the guide rail Total mobility due to a unique compact design increasing ease of handling and less to carry around the.