Features: Used to measure the range of finger size, it can accurately obtain the size of one's own finger circumference, making it convenient for customization or online product selection. Made of aluminium, which is light in weight. Easy to operate, fully adjustable and reusable. Waterproof, comfortable to wear, and won't harm your rings and fingers. With the ring sizer set, you can easy to know which size you need, and can give you husband/wife, girlfriend/boyfriend a surprise give her/him a correct size ring as a gift. Easy to read size chart on mandrel for full and half sizes,with line marks on shaft to get the ring straight before measuring. Often used in the production of jewelry rings,wedding rings can also be scheduled through this tool. Specifications: Material: Aluminum Ring Measuring Stick Length: Approx. 9.7inch(24.8cm) Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Ring Measuring Stick 1x Ring Measuring Circles 1x US Ring Sizer Belt 2x Green Polishing Cloth 2x White Polishing Cloth