ToolUSA's 20 Piece Set of Height Sieves designed exclusively for measuring rectangular gemstones. In the world of gemology, accurate measurement is crucial not only for valuation but also for setting, designing, and identifying stones. Recognizing this necessity, ToolUSA has developed a comprehensive set to aid professionals and hobbyists alike. Each sieve in the set is meticulously crafted to offer precise measurements for rectangular gemstones. The diverse range of 20 sieves ensures that no stone is left unmeasured, from the smallest delicate gem to the more substantial statement piece. This versatility makes the set indispensable for gem dealers, jewelers, setters, and hobbyist collectors. Built for durability and consistent use, each sieve is made from high-quality materials that resist wear and tear, ensuring long-lasting service. The sieves are designed with clear markings, making readings straightforward and minimizing errors. Moreover, the compact design allows for easy storage and portability, making it a go-to tool for on-site consultations or travel. This set not only embodies precision but also serves as a testament to ToolUSA's commitment to quality, ensuring that every gemstone's true value, both in terms of size and worth, is accurately determined.