[Measurement tool size] Metal ring rod measurement tool, US size is 2-15, European size is 41-76 (half size, no quarter of size). The specifications of ring grading: 0-13 (including half size, a total of 27 rings). Plastic ring hierarchical leather: 1-17.[High -quality material] Circular grading movement shaft is made of aluminum. 27 -piece ring measuring meter is made of stainless steel, long use time[Useful tools to choose a ring] With the ring rules, you can easily know what size ring you need, and you can also give your husband/wife, girlfriend/boyfriend a surprise, give her/his correct size ring As a gift Easily[measure size] The fingers made of ring size or High-quality materials can measure the finger size of your ring finger. There are several sizes, and each ring is clearly marked with a loop size increase in full size and half size. The workmanship is fine and round, the edges are smooth and not hurting the handsTip: We are replacing the old packaging with new packaging, and you may still receive the old packaging of the ring classifierRing Sizer Set, Professional Finger Size Measuring Tool SetRing sizer mandrel include 4 types of measure scales: UK, US, EU, FR; Ring sizer gauge and ring sizer belt only have US size.The range of USA size: Ring sizer mandrel : 2-15 (including quarter and half size)Ring sizer gauge: 0-13 (including half size, total of 27 pcs rings)Plastic ring sizer belt: 1-17Ring sizer is made of High-quality materials, with a smooth , no rust, clear marks and accurate measurements.The ring sizer belt is made of High-quality materials, , , reusable and easy carry.Material: Metalcolour: As ShownPackage Contents: 1 x metal ring stick1 x ring size mandrel1 x ring sizer beltOnly 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.