This SEVEN London Set of two Cufflinks are a fascinating style in its' own right, where these effervescent black cufflinks are made from Sterling Silver with a Ruthenium finish. The intricate pattern is hand finished for a highly detailed finish. Finished in Sterling Silver with swivel back. These SEVEN London Cufflinks are 16 mm wide & 27 mm long, with a weight of 18 grams, made from solid sterling silver.