Features: 1. Made of quality metal material, which is harmless and no wear problem to your jewelry. 2. Multi sizes with scales in imperial unit makes it more precise for the size and more convenient to read. 3. Solid and durable structure, easy to use. 4. Great tool for sizing ring size and finger size, know your correct size every time. 5. There are ring mandrel and finger gauge rings for you to choose. It is recommended to use this two tools together Specification: Condition: 100% Brand New Item Type: Jewelry Tool Material: Metal Color: As Pictures Shown Optional Type: Ring Mandrel, Finger Gauge Ring Mandrel Length: Approx. 18.9cm/7.4in Package list: 1 * Ring Mandrel or 1 * Ring Sizer Package List 1Made of quality metal material, which is harmless and no wear problem to your jewelry. 2Multi sizes with scales in imperial unit makes it more precise for the size and more convenient to read. 3Solid and durable structure, easy to use. 4Great tool for sizing ring size and finger size, know your correct size every time. 5There are ring mandrel and finger gauge rings for you to choose. It is recommended to use this two tools together