Turntable stylus protractor, move and the arm to drop the stylus A, move and the arm to drop the stylus B, simple to use. alignment protractor provides improved visibility and eliminates tracking errors. Use this protractor, avoids the over-shoot distortion to keep sound quality. Features -Color:White -Material:Plastic -Size:19.00X4.00X0.20cm/7.47X1.57X0.08in - This protractor is perfect for vinyl enthusiasts and professionals who require accurate measurements. - The ruler features a sleek design that complements any turntable setup, adding of elegance to your vinyl listening experience. - With its precise markings and easy-to-read measurements, the phonograph turntable ruler make precise adjustment. - Use this turntable stylus alignment protractor, resulting in excellent sound quality and performance. - Whether you are a simply a music , this ruler is an essential tool for achieving the perfect your turntable. - Upgrade your vinyl setup with the phonograph turntable ruler and enjoy precise and immersive listening experience. Package list: 1 x turntable protractor