Patmark PlusMarking area of X axis 80mm Y axis 20mm. The Patmark Plus is one of the most popular units, offering the same marking area as the MB8020, but fully battery powered and wireless. This unit has been extremely popular as it enables part numbers to be marked at larger sizes and longer strings to marked in one go 17 digits at 5 6mm high. The massive battery allows for operation over multiple hours with consistent use.