Sterling Silver 3.1mm Flat Anchor ChainProduct Details Material; Primary Purity 925 Finish Polished Length of Item 7 in Chain Length 7 in Chain Thickness 0. 5 mm Chain Type Anchor Chain Width 3. 1 mm Clasp Connector Lobster Clasp Thickness (Female end) 2. 6 mm Clasp Thickness (Male end) 2. 4 mm Clasp Width (Female end) 1. 5 mm Clasp Width (Male end) 3. 9 mm Coating Anti tarnish Feature Semi Solid Manufacturing Process Casted Material; Primary Sterling Silver Item Weight U M gm Width of