College Contemporary Metals Cuff Links. Our Purdue Boilermakers Cuff Links are a matte finish, solid brass, fashion forward accessory. These cuff links include a complementary nailshead patterned gift box. Each Boilermakers cuff link is made wtih rhodium plated brass. These Purdue cuff links are a great touch for any occasion. Made of solid brass construction they will be enjoyed for years to come. Go Boilermakers!! Officially licensed Purdue Boilermakers fan gear.