Vitaly Synchro Made with recycled stainless steel Unibody ring with orbital geometry Wraps around a central enamel core Circular centerpiece Waterproof Color: Stainless Steel / Black Material: Stainless Steel See more Rings , Jewelry and Accessories Vendor Code: VT1193-R-SYNC-SSBL Approximate measurement: Size 7 Inside Diameter: 1.7cm Size 8 Inside Diameter: 1.8cm Size 9 Inside Diameter: 1.9cm Size 10 Inside Diameter: 2cm Size11 Inside Diameter: 2.1cm