TOP MODEL FOR PROFESSIONAL WORKSHOP USE, WITH GLASS RAIL FOR MORE ACCURACY, WITH METAL HOUSING AND METAL FUNCTION BUTTONS, WITH DATA OUTPUT (MINI USB), STURDY QUALITY, STAINLESS STEEL, HARDENED, WITH OR WITHOUT THUMBROLL (INCLUDED, FOR SELF INSTALLATION), LARGE LCD DISPLAY WITH CLEAR READING, 9 MM DIGIT HEIGHT, JAWS FINELY GROUND AND LAPPED, ON/OFF BUTTON, MM/INCH SWITCHABLE, ZERO SETTING AT ANY POSITION, INCL. 1 X 3 V BATTERY (TYPE CR2032)