This square jewelry clasp lock 3D model is designed as a secure and functional closure solution for fine jewelry pieces. The model features a compact square body combined with a mechanical locking structure, ensuring reliable fastening while maintaining a clean and modern aesthetic.

The design is suitable for necklaces, bracelets, and custom jewelry applications, with smooth surfaces and precise geometry optimized for metal casting. It can be manufactured in yellow gold, white gold, or rose gold, and integrates seamlessly with various chain or link styles.

All preview images display accurate dimensions, thickness, and weight information. The model is ready for production, custom jewelry projects, or professional manufacturing workflows.