15x9x8.5mm cast antique brass plated jewelry bails. Designed for 30mm #6919 Swarovski crystal key pendants. JBB Findings is internationally known as a manufacturer of quality jewelry components & supplies. Fits up to 2mm cord and chain. Insert bail, loop first, through the front of the hole in key pendant, then turn it 90°. Once strung on cording, the bail will securely hold the crystal.