Accurate stylus force is important for ensuring the playback result and life of your valuable records and cartidge. For MM//MI and piezoelectric acoustical pickup, nonmagnetic, no magnetic field adhesivity, reading reliable. Too high stylus force results in shortened record/stylus life while too low stylus force result in easy mistracking and both of the cases with come into poor audio performance. High and accurate stylus gauge for accurate stylus force adjustment. Automatic turn-off after one minute inactivity(adjustable). There are 7 units and the less-used units can be hidden by setting., Weight: 0.29982867632 pounds, Manufacturer: Elqater