Introducing our premium Spring Lock STL Collection, engineered for secure and reliable jewelry closures with smooth spring-loaded functionality. This package includes 4 different lock sizes, giving you maximum flexibility for bracelets, necklaces, chains, and custom jewelry projects. Each model is professionally designed for clean casting, precise fitting, and effortless assembly, making it ideal for jewelers, manufacturers, and 3D printing enthusiasts.

The files are optimized for resin printing and jewelry production workflows, ensuring sharp details, accurate dimensions, and dependable performance. Whether you are creating delicate fine jewelry or larger statement pieces, these spring locks provide a practical and elegant fastening solution.

Included:• 4 different spring lock sizes• High-quality STL files• Ready for 3D printing and casting• Precise and production-friendly design• Suitable for gold, silver, platinum, and other precious metals

Upgrade your jewelry collection with versatile spring lock mechanisms designed to meet a wide range of professional manufacturing needs while maintaining durability, functionality, and refined aesthetics.