The packaging includes a phonograph calibrator protractor. The protractor is made of acrylic acid, with clear printing, high clarity, high transparency, and fine craftsmanship. The high contrast ink cartridge calibration protractor improves visibility, reduces tracking errors, and avoids overshoot distortion to maintain high-quality sound. This alignment protector for the turntable sound arm is suitable for all record players with a 9-inch sound arm. The mark on the protractor aligns with the ink cartridge. By placing the needle on points A and B and ensuring that your needle barrel is parallel to the drawn line, it is easy to use. This turntable ink cartridge calibration protractor is the perfect gift for any record collector or enthusiast. .
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