Vinyl Tachometer Acrylic Speed Dial for Player Adjust Tool

[Design] : This speed test disk is specially designed for checking the rotation speed of vinyl records.It has two gears , 45 (inner rings) and 33 (outer rings) , suitable for most gramophones on the market. [Precision Test] : phonograph test disc calibration can accurately test your turntable speed and adjust the overshoot of the to ensure the best performance. [Essential Tool] : This is an indispensable tool for playing vinyl records , premium for audiophiles who want to get the best sound from their records. [Product Specifications] : Turntable stylus tuning disc size is approximately 8cm/3.15inch in diameter and approximately 0.75cm/0.30inch thick. [Premium Material] : This phonograph calibration tool is made of premium and reliable acrylic material for long term use.