Sterling Silver 7.25mm Polished Domed Curb Chain WBC QDB200 9 Ulster Wikipedia. Material: Primary Purity: 925 * * Finish: Polished * * Length of Item: 9 in * * Chain Length: 9 in * * Chain Thickness: 3 mm * * Chain Type: Curb * * Chain Width: 7. 25 mm * * Clasp Connector: Lobster * * Clasp Thickness (Female end): 3. 7 mm * * Clasp Thickness (Male end): 3. 7 mm * * Clasp Width (Female end): 7 mm * * Clasp Width (Male end): 6. 2 mm * * Feature: Solid * * Manufacturing Process: Casted * * Material: Primary: Sterling Silver * * Width of Item: 7. 25 mm * * Product Type: Jewelry * * Jewelry Type: Bracelets * * Sold By Unit: Each * * Bracelet Type: Chain Styles * * Gender: Men's * * Profile Type: Domed * * Material: Primary Color: White