Janecrafts 20pcs Sweet-heart Shaped Pendant Trays-- Glam Antique Silver-- Pendant Blanks Cameo Bezel Cabochon Settings 18mm 1. 100% Brand New. Shimmering silver, Glam antique gold, charming antique silver for your choice. 2. Fits 18mm cabochons 3. Inner size: 18mm , Loop size : 2mm * 2mm---Most necklaces fit. Bail was made into unit, not soldered on -- very strong. 4. Fits perfectly with 18mm Sweet-heart glass cabochons 5. Perfect for zipper pulls, key chains, rosaries, hanging art, using baby pictures, super hero logos, quotes... with some creativity and thought, these can do anything.