ITEM NAME:Men's Classic Round Tuxedo Shirt Studs Set and Cufflinks, with Black Center B5Z5 Men's Classic Round Tuxedo Shirt Studs Set and Cufflinks, with Black Center B5Z5 color:Black,silver Cufflinks Height: 18mm(0.7"); Width: 18mm(0.7") Studs Set Height: 10mm(0.39"); Width: 10mm(0.39") Material: Brass, Rhodium plated ( 100% Nickel free ) package contents: 2 x Men's Studs 1 x Cufflinks(with Gift Bag) Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.