Pro-Ject Audio Measure It DS Precision Stylus Tracking GaugeMeasure It DS is a compact precision tracking force gauge, designed for compatibility with all cartridge and tonearm combinations, regardless of their weight, shape, or design. Other less expensive scales can be cumbersome and overly complex to use with specific cartridges, particularly as you graduate to heavier and larger high end pickups. Unlike these, Measure it DS simplifies your setup process, making it an ideal and future proof choice. This