--Compact dimensions with a middle bracket height of 13cm, width of 12cm, and beaker tray dimensions of 13cm length and 10.2cm width, ensuring easy integration into any lab setup without taking up excessive space. --Accurately measures the density of solid and water-sinking substances, compatible with various scales to deliver reliable and precise results for laboratory applications and quality control. --Density specific gravity rack designed for laboratory use, capable of measuring the density of gems and bare stones with precision, making it an essential tool for jewelry appraisal and scientific analysis. --Constructed from high-quality materials including an acrylic measuring cup, metal holder, and metal base tray, providing durability and stability for long-term use in demanding environments. --Versatile applications in jewelry, gemstones, commercial, industrial, and laboratory settings, ideal for measuring the density of gem bare stones and other materials to support diverse testing needs.