This professional Universal Plastic Ring Sizer is an essential measuring tool for jewelers, jewelry workshops, goldsmiths, silversmiths, and online jewelry retailers. Designed for quick, accurate, and reliable ring size measurement, this durable plastic ring sizing set helps determine ring sizes before manufacturing, resizing, repairing, or purchasing rings. The ring sizer covers a wide range of international sizes, making it suitable for professional jewelry businesses and retail customers. Lightweight, durable, and easy to use, it is ideal for jewelry stores, workshops, trade shows, and e-commerce businesses offering ring sizing services. Ring Size Range Diameter (Ø): 41 – 76 Ring Sizes: 1 – 36 Diameter: 13.0 mm – 24.2 mm US Ring Sizes: 1 – 15 Key Features Accurate ring size measurement Suitable for jewelers, goldsmiths, and jewelry repair professionals Lightweight and durable construction Easy-to-read size markings Covers multiple international ring size standards Ideal for ring fitting, resizing, and custom jewelry orders Whether you are measuring engagement rings, fashion jewelry, or custom-made rings, this universal plastic ring sizer provides fast and dependable sizing results for professional use.