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 - ColorWhite - Material: Acrylic - Size: About 29.50X29.50X0.20cm/11.59X11.59X0.08in - Anti-sliding Gauge Ruler made with fine workmanship, to ensure the practicality and durability. - Calibration and detection for vinyl record heads. Check and adjust the angle of cylinder and needle. - Durable, firm and nonslip. Light and accurate, it can bring a good and wonderful calibration effect. - A must-have item for vinyl record lovers and a good housewarming present for friends. - A great tool to check if the rotation and angle of your vinyl record is correct, high precision test anti-skid gauge ruler, use super good results. Package list: 1 x Anti-sliding Gauge Ruler