Hello, I present to you this insurance design for large heavy weight chains that can be made in gold, silver or platinum as required.
OVERALL DIMENSIONS Width: 8.0mm Length: 22.5mm Height: 7.35mm
WEIGHT Platinum 950: 10.8 Gr. 18K gold: 8.1 gr. 14K Gold: 6.8 Gr Silver 925: 5.4 Gr.
You can scale the model for other sizes of chains or bracelets