Channel strength and style with this industrial style men's ring. Round crystal accents highlight a simulated black agate centerpiece to create a striking contrast. Crafted from rugged black ion-plated stainless steel. Sizes 8-16. Main Stone: 1 Princess Step Top Cut Simulated Black Agate, 8 mm x 8 mm; 4 Round Faceted Cut Crystals, 1.3 mm x 1.3 mm Black Ion-Plated Stainless Steel. Color and sheen will last for decades without damage and it's hypoallergenic (won't turn your skin green like other plating methods can). Shank Width: 5.5 mm wide Dimensions: 25 mm wide x 11 mm long x 4.5 mm high Includes gift box and drawstring pouch Black Ion-Plated Stainless Steel. Color and sheen will last for decades without damage and it's hypoallergenic (won't turn your skin green like other plating methods can). Shank Width: 5.5 mm wide Dimensions: 25 mm wide x 11 mm long x 4.5 mm high Includes gift box and drawstring pouch 5 Polished finish Pave setting Warranty available, Fullreplacement warranty, 30 Days China Imported Material & Care Metal, Stainless steel Clean with a soft cloth.