u0026nbsp;Size: u0026nbsp; 6-13#u0026nbsp;

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

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

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

Wear and maintenance:

To wear as little as possible of goods and objects when friction, remain bright. Available wash clean simpleu0026nbsp;

cleaning, to remove greasy and restore the light.u0026nbsp;

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