Covers US ring sizes 0-13, paired with a ring sizing mandrel and ring sizes belt. It can accurately measure the right size for both daily-worn and custom-made rings. Includes 14 tools such as ring sizing rings, mandrel, sizing belt, wiping cloth, ring adjuster, etc., meeting various needs like ring measurement, size adjustment, and cleaning. It's a practical toolkit for jewelry lovers and jewelry practitioners. No professional skills required. It's easy to use whether measuring for yourself or others. The sizing belt and rings are intuitively designed with clear scales for easy-to-read measurement results. The ring adjuster is easy to use for quickly adjusting ring tightness. The tools are made of high-quality metal and durable materials, rust-proof and corrosion-resistant, sturdy and wear-resistant for long-term use. The wiping cloth is soft and delicate, without scratching the ring surface during cleaning, preserving the jewelry's luster. The compact set design is easy to store and carry, allowing you to use it anytime at home or on the go. With the included wiping cloth and various tools, you can take care of your rings anytime, keeping them in the best condition. Color: As Shown Material: Metal+Paper Package Contents: 1*set ring sizer kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.