Oklahoma State Cowboys Cufflinks - Sterling Silver Medium Size Round Top This high-quality cufflink is the perfect gift for a graduate, alumni or as a wedding present. If you're looking for quality, then this is the perfect cufflink set Cufflink top is satin finished for a refined rustic look and the deep engraved logo is black enameled for contrast. Cuff Link Top Measures 19mm in diameter (a dime measures 17mm) Solid Sterling SIlver - Laser Engraved - Officially Licensed Licensed Product of the Collegiate Bead Company