Caption: "A broad, metal chain made of torus-shaped links." (Slightly edited.)

Credit/Permission: © Toni Lozano, 2006 (uploaded to Wikipedia by User:Sandstein, 2006) / Creative Commons CC BY-SA 3.0.
Image link: Wikipedia: File:Broad chain closeup.jpg.
Local file: local link: chain_links.html.
File: Art_c file: chain_links.html.