UKUS plastic ring measuring rod *1, 0-13 black ring measuring ring, 1-17 white meter ruler *1, 1-17 black ring ruler with magnifying glass *1 There are four sizes, including the US size of US 2-15 (accurate to quarter size), the British size of UK A-Z, the Japanese size of 1-34 (m/m ∮), and the European size of 41-76 (CU). Plastic ring sizer set with US Size of 1-13, UK Size A-Z.("9 S" is US size 9, UK size S. "-9 T" is US size 9.5, UK size T etc.) One is a regular white style and the other is a black one with a magnifying glass. The measurement range of both is 1-17, soft and elastic. Reusable. is a highly professional manufacturer of jewelry tools, offering a wide range of DIY jewelry tools. We are very glad to have your trust. We continue to products. Thank you for your support Color: As Shown Material: Metal Package Contents: 1*set ring sizer measuring tool 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.