Size: u0026nbsp; u0026nbsp;6#,7#, 8#,9#,10#,11#,12#,13#

(There may be a few millimeters of manual measurement error)

6--Perimeter: 52mm, u0026nbsp;Diameter: 16.5mm

7--Perimeter: 54.5mm, u0026nbsp;Diameter: 17.3mm

8--Perimeter: 57.2mm, u0026nbsp;Diameter: 18.2mm

9--Perimeter: 59.8mm, u0026nbsp;Diameter: 19mm

10--Perimeter: 62.2mm, u0026nbsp;Diameter: 19.8mm

11--Perimeter: 64.8mm, Diameter: 20.6mm

12--Perimeter: 67.5mm, Diameter: 21.4mm

13--Perimeter: 70.1mm, Diameter: 22.2mm

Style: Simple style

Material: titanium steel

Treatment: Polished,diamond

Top mirror polishing technique, do not fade, titanium steel casting material, hypoallergenic