Sop with engine in rose gold cufflinks made of aircraft grade aluminum. These Sopwith Propeller Cufflinks are a handsome and unique addition to any man's accessories. Made from aluminum that is aircraft grade, these cufflinks have ball bearings inside and the cooling blades move as the beautiful rose gold blades are spinning around. The joining panels and rivets have laser details on their outer aluminum cases. You have never seen more realistic or stylish cufflinks - Incredible designs - Beautiful cufflinks