The KIWEN Ring Sizer Measuring Set is a reusable finger size gauge designed for accurately measuring ring sizes. This standard edition set includes a compact measuring tool with dimensions of 6.18 x 3.25 x 0.28 inches and weighs only 0.317 ounces. Perfect for jewelers and individuals looking to ensure a perfect fit for their rings, this set is suitable for professional measuring tasks. The manufacturer, KIWEN, offers a reliable option for those in need of a precise ring sizing tool.