This 14-piece antique brass key collection is designed for watch enthusiasts and professionals who value historical authenticity. Crafted with durable materials inspired by 19th-century craftsmanship (similar to steam-era timepieces), each key features precise grooves to securely fit pocket watches from size 00 to 12. Whether restoring family heirlooms, maintaining railroad-style watches, or creating steampunk accessories, this set offers both functionality and aesthetic appeal. The included velvet pouch ensures safe storage, making it a perfect gift for history buffs, vintage collectors, or horology students.