Necklace shortener 925 sterling silver pendant clasp, 1pc. there are many ways to wear long necklaces when you have one or few of these around. There is no end to designing your style out of single long necklace. These clasps help it stay in place, no matter how complex your design is. It can also clasp pendant to a necklace. Simple style of it will not detract from the beauty of necklace. clasp is 18mm long, 14mm wide, 2mm thick. Last picture - bracelet made out of 12 of them.