Item Size: 10Average Weight: 4.42 Country of Origin: CHINAMetal: CeramicProduct Type:JewelryJewelry Type:RingsMen's Type:RingsRing Type:Wedding BandsMaterial: Primary:CeramicMaterial: Accent Color 1:BlackMaterial: Inlay:Carbon FiberWidth of Item:8 mmThickness:2.3 mmBand Width:8 mmRing Fit:Comfort