Feature:1. HIGH QUALITY MATERIAL: This ink cartridge azimuth calibration ruler is made of high quality acrylic material, it will work effectively and run for a long time.2. ACCURATE CALIBRATION: With simple and accurate calibration, especially on the internal notch of the record, and to ensure the correct alignment of the kit.3. ELIMINATE TRACKING ERRORS: It can also be used to set the VTA of the tonearm to achieve more accurate sound reproduction and eliminate jumping and tracking errors.4. EASY TO USE: This azimuth ruler adopts a transparent printing design, which is clear at a glance, allowing you to easily read the data, it is convenient for your use.5. ENSURE BETTER RESULTS: Used to align the cartridges to ensure better tracking and better stereo separation, bringing you a pleasant experience.Specification:Item Type: Azimuth RulerMaterial: AcrylicColor: TransparentFunction: Measure and Balance the Acrylic Block Ruler of LP Vinyl Record PlayerScope of Application: Suitable for Vinyl Record Players.Package List:1 x Azimuth Ruler1 x Level1 x PU Leather Bag