ltem description from the seller
Material: Primary - Purity:925 Finish:Polished Chain Length:16 in Clasp /Connector:Lobster (Fancy) Clasp Thickness (Female end):4.25 mm Clasp Thickness (Male end):3.5 mm Clasp Width (Female end):5.5 mm Clasp Width (Male end):8 mm Extender Length:2 in Feature:Semi-Solid Manufacturing Process:Casted Material: Primary:Sterling Silver Item Weight U/M:gm Product Type:Jewelry Jewelry Type:Necklaces Sold By Unit:Each Necklace Type:Fancy Necklace Material: Primary - Color:White Plating Color:Silver Tone Plating: Chain:Rhodium