Ring sizer measuring tool kit: 1 pcs 27-piece stainless steel tool; 1 pcs plastic tools and 1 pcs plastic ring mandrel. Effective Measurement of finger size: The ring sizer tool makes it easy to measure your own, friends' and family's finger size, the ring sizers are compact and easy to carry around. Fine workmanship: Our ring sizer measuring tool kits are and suitable for all types of rings, with accurate and clear imprinting, allowing you to measure the correct finger size. Measuring range: The stainless steel tool come in 27 sizes, US ring sizes 0-13 and half sizes, the plastic sizers for ring sizes 1 through 17, and the plastic ring mandrel features US sizes from 0 to 15. Accurately sizing jewelry, say goodbye to guesswork and find the perfect ring size. Colour:As Shown Material:Metal Package Contents: 1 set x ring sizer 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.