The package includes an Azimuth ruler for vinyl records, measuring 6.60X4.80X0.80cm in size and yellow in color. Made of acrylic, it is used for aligning block headshell turntables and ensuring precise vertical tracking angle. The ruler is manufactured with professional technology for durability and longevity. It is used for aligning the cantilever and stylus, not just the body, to achieve the desired result. The product dimensions are 6.6 x 6.6 x 6.6 cm, weighing 29 g, and it is made by OSALADI in China. The ruler is precision crafted with clear acrylic and crystal clear prints for accurate alignment.