Ultra-accurate electronic touch screen stylus force gauge for the serious audiophile. Incorporating special transducer technology this high precision measuring device allows easy repeatable and precise setting of phonograph cartridge tracking force. The gauge features a large easy to use 20mm flat measuring area and easy to read digital display providing the best repeatable precision calibration of your phonograph cartridge's tracking force. The result is effortless music reproduction with lifelike dynamics natural tonality and enhanced imaging. Batteries (AAA), screwdriver, calibrating weight and case included. 0.000 - 5.000g +/-0.001g accuracy.