[TRIPLE OPENING DESIGN]: There are three claw clasps at both ends of the necklace layering clasps, you only need to push down the protruding part of the lobster clasp to connect some chains. Our necklace separator are very convenient to use. [THOUGNHTFUL DESIGN]: Layered clasps can keep your necklace neat, without worrying about your necklace knotting. Besides, the layered clasps at both ends are closed tightly to protect your necklace and other accessories from loss. [SIZE]: Necklace layering clasps is about 0.94x0.43x0.22 inch(24x11x5.5mm), hole: 0.08 inch(2mm), 6 sets, plastic bead container is about 6.8x5.2x1.1cm, 1pc. [GOOD QUALITY MATERIAL]: Necklace layering clasp is made of brass, which is a hard material. More importantly, it is not easy to deform and rust, so you can use it for a long time. [DESIGN FOR DIY]: With these layering clasps, you can match any necklaces or bracelets you like as you like, and make them into a layered necklace for your own. You just need to attach your chain at both ends of layering clasp.