The package includes a Vinyl Record Player Azimuth Ruler, featuring a size of 6.60X4.80X0.70cm and a white color. It is made of safe acrylic material and is easy to operate. The ruler helps detect the position of the needle on the record player and can be used for speed-detection. It is durable, precise, and easy to handle, fitting most phonographs. The ruler also includes alignment protractor and adjustment tools for balance and azimuth adjustments. Overall, it is a practical and reliable accessory for vinyl record players, providing accurate calibration and alignment for a better music listening experience.