Accurate stylus tracking force is important for ensuring the playback result and life of your valuable records and cartridge. Too high stylus tracking force results in shortened record/stylus life while; too low stylus tracking force results in easy mistracking. Both too high stylus tracking force and too low stylus tracking force result in poor audio performance. So you need a accurate stylus gauge to measure your stylus force. Features:Accurate stylus gauge for stylus tracking force measurement.Large LCD screen, easy to readWith blue backlight, convenient to use in a darkAutomatically power off when there is no operation for 3 minutes.High precision, high sensitivitySpecifications:Measurement range: 0-5.00g ( display 3 digit )Accuracy: 0.01gUnit: g / oz / ozt / dwttl/ ct / gnBattery: 2 x 1.5V lithium cell Ag12 (NOT included)Stainless steel weighing area: NonmagneticDimensions: 96 * 43 * 20mm / 3.8 * 1.7 * 0.8inColor: BlackPackage weight: 85gPackage Included:1 x Stylus Tracking Force Gauge1 x Calibration weight1 x Leather caseNote:Please allow 1-3mm errors due to manual measurement.Due to the difference between different monitors,there are color differences, pls take the real product as the standard For MM/MC/MI and piezoelectric acoustical pickup, nonmagnetic, no magnetic field adhesive, reading reliable.