Vinyl Turntable Record Player Disc, Stroboscope Disc, Calibration Disc for vinyl record players, the scale is clear and precise, and the calibration results are clear . Made of plastic, it is durable and helps you quickly adjust the Phonograph needle to the correct position. Features -Color:White -Material:Plastic -Size:8.00X8.00X0.77cm/3.14X3.14X0.30in - Accurate measurement: This turntable speedometer can accurately measure the speed of records, ensuring clear sound quality. - Beautiful design: The white disc design is simple and generous, suitable for various . - Durable material: Made of reliable plastic materials, it has strong durability and . - Easy to operate: Simple and easy-to-understand operation interface, convenient and fast. - Multiple application scenarios: Suitable for home, recording , DJ and other occasions. Package list: 5 x stroboscope disc