Bosch GDC 120 Professional Marble Cutter Bosch GDC 120 professional is the most compact marble cutter in its class because of its good dust insulation to keep the powerful motor for reliable life time, moreover, its ergonomic designed handle for user-friendly operation, especially for vertical cutting. It offers comfortable handling thanks to the wide base plate and optimize designed water device adaption. In addition, it offers standard cutting depth of 34mm for flexible cutting, through stone, tiles, marble, granite, wood, ply and, wall channelling.