Are you still looking for accurate and durable phonograph calibration tools? Is the needle of your record player offset? Then don’t hesitate to buy our Anti-sliding Gauge Ruler directly. directly. Even , you can easily solve the problem of stylus inaccuracy by yourself. Features -Color:As Shown -Material:Acrylic -Size:30.00X30.00X0.30cm/11.79X11.79X0.12in - The material is safe and durable, which is wear resistance and practical for the long time use. - No need to go to a professional repair shop, you can by yourself, saving . - The operation method is simple, even the first time you can learn it right , easy to use. - High performance and high accuracy ensure its practicality and popularity. The edges are polished smoothly and will not hurt your hands. - Simple color matching makes it both practical and beautiful. Double-sided design to meet your long-term use needs. Package list: 1 x vinyl record calibration plate