Verona Jewelers 925 Sterling Silver 3.5MM, 4.5MM, 5.5MM, 6.5MM, 8MM Solid Flat Mariner Link Chain Necklace- Sterling Silver Necklace Chain, Men and Women, Metal, not known : Amazon.co.uk: Fashion
9ct Yellow Gold Flat Bevelled Curb Chain Necklace - 5mm Thick - 18 Inch Long : Amazon.co.uk: Fashion
Guaranteed 925 Sterling Silver Cuban Curb Chain Necklace Solid & Heavy Version | eBay
Jacoje Fine Jewelry - Jacoje Flat Curbs. Sizes 3MM-8MM on display. The flat curb is a great chain for the gram weight. You get a classic look that easy to pair with