Solid metal ring mandrel, US sizes 2-15, EU sizes 41-76 (half sizes, no quarter sizes). Metal ring specifications: 0-13 (including half size, 27 rings in total). Plastic ring with magnifying glass compatible with belt sizes: 1-17. Plastic ring size ruler strap with magnifying glass helps different age groups easily read the scale. Solid Ring Sizer Mandrel, The ring sizer mandrel is made of aluminum, the solid tapered ring sizer mandrel can be used compatible with ring measurement and ring repair. Ring sizer set is made of stainless steel compatible with . Using the ring gauge, you can easily know which size you need and can give her/ a ring of the correct size as a gift. Colour:As Shown Material:Metal Package Contents: 1 x ring sizer 1 x ring sizer mandrel 1 x plastic ring size measuring tape 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.