Features: Ensures the comfort fits for your rings with this Rings Sizer Measuring Tool Set, featuring precise US sizes including half sizes for accurate sizing. Crafted from sturdy alloy materials, this set includes a metal rings sizer, a gauge set, size adjusters, and a measurer for rings sizing solution. For jewelers, jewelry designers, couples planning engagements or weddings, and anyone looking to accurately measure rings. This toolset is indispensable in jewelry stores, during jewelry exhibitions, for rings fittings, or simply for personalize use when shopping for rings online. Elevating your rings making craft or ensures your online rings purchases the right size with this professionalized grade, easy to use rings sizing set. Specifications: Component: Alloy and Plastic Size: Length 24.89cm/9.8inch, 9.98x9.98cm/3.93x3.93inch Color: As Picture Show Package Includes: 22pcs Jewelry Sizing Equipment 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.