These black onyx spring-back tuxedo shirt studs are the perfect combination of style, function, and long-lasting reliability. Designed with a compressible spring-loaded rod, each stud inserts smoothly into your shirt and locks securely into place—ensuring your studs stay put throughout the entire event. No slipping, no gaps, and no frustration. The polished silver-tone frame paired with the deep black onyx center creates a timeless, formal look that complements any tuxedo. Whether you're preparing for a wedding, gala, black-tie event, or prom, this set of four studs provides a sophisticated finishing touch and dependable performance. Ideal as a replacement set or an upgrade from basic studs, these spring-back studs deliver the security and elegance you want in premium formalwear accessories.