Curb chains have been a top choice when it comes to necklace chains, and heavy, chunky curb chains have a masculine touch and are especially popular among men. Smaller, thinner curb chains are feminine and delicate, pairing well with pendants. Fish hook closure Polished finish Choking hazard Imported Belk Exclusive Product Specifications 1.00mm, 18 Material & Care Sterling silver Clean with a soft cloth.