Details Composition : Titanium Steel, Shell Size & Fit Fit Type : Regular Fit S Diameter: 16.5mm, M Diameter: 17.3mm, L Diameter: 18.1mm, 18k Gold Plating Cm Inch Size US M 6 L 8/10 M 6 L 8/10 Care Instructions Avoid contact with water, other liquids and metals.
