Features: Achieve Gemstones measurements with our stainless steel fan gauge, designs to enhances jewelry making efficiency and quality by ensuring stone setting. Craft from high strength stainless steel, this sturdy gauge features fan designs for quick and easy data reading, measuring stone by carats weight. For jewelers, gemologists, and jewelry enthusiasts, this tool caters to both professional and hobbyist needs. For use in jewelry studios, goldsmith shops, and Gemstones appraisal centers, facilitating daily measurement and designs tasks. This pocket sized tool is practical for anyone involved in the intricate art of jewelry crafting, offering accurate results every time. Specifications: Component: Stainless Steel Type: As Picture Show, Three Type to Choose Size: 5.7cm/2.24inch, 4.7cm/1.85inch Package Includes: 1pc Diamonds Measuring Tool note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.