Precise Ring Sizing Made Easy Accurately measure ring sizes with this comprehensive set. Includes a durable stainless steel ring sizer gauge, a flexible plastic sizing belt, and a microfiber cloth for easy cleaning. Ideal for jewelers, retailers, or personal use. Measure Size Easily Ring sizer or finger gauge made of alloy metal measures the size of your fingers for making rings. There are several sizes, ring size increments are clearly marked on each ring for full and half sizes. Fine workmanship With round outside and flat inside, smooth edges do not hurt your hands.