Sterling Silver 3.4mm D/C Square Franco Chain-WBC-QQF100-18Material: Primary Purity: 925 * * Finish: Polished * * Length of Item: 18 in * * Chain Length: 18 in * * Chain Thickness: 3. 1 mm * * Chain Type: Franco * * Chain Width: 3. 4 mm * * Clasp Connector: Lobster * * Clasp Thickness (Female end): 1. 9 mm * * Clasp Thickness (Male end): 3. 2 mm * * Clasp Width (Female end): 3. 9 mm * * Clasp Width (Male end): 5. 3 mm * * Feature: Solid * * Manufacturing Process: Casted * * Material: Primary: Sterling Silver