NIUNIURing size increments are clearly marked on each ring, easy to use and measure your ring size correctly. Our set of ring sizers is made to precisely measure your finger ring size. Whether it is online shopping or DIY crafts, it is a handy tool to keep. Comprehensive Sizes - Includes Half Sizes Our ring measuring tool sizer has 27 sizes in total - Each ring is laser engraved with USA Sizes 1-13 Our range measures child fingers to largest fingers. Detachable Hook Our sizers are fully detachable. Detach the sizes you need, enjoy the convenience of bringing only what you need. quantity of delivery:1 piece (Package contents: Only the above package contents, excluding other products.) size:7.5*7.5*2.5cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) color:red color (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)