Crystal Cage Necklace 1.57“ Necklace Cord Replacement Hand-Woven Necklace Cord with Adjustable Length. stone holder is about 4 cm/ 1.57 inch long, can safely hold your ornaments, crystals, quartz, beads and pendants. The necklace cord is made of quality materials, comes from hand braided rope, water resistant and allergy free, not easy to fade or break, making it the perfect gift for yourself or others. crystal holder is featured with adjustable rope, easy to operate, and you could adjust the length of the rope or the size of the holder through the beads on it, so it will hold many different crystal including spheres, tumbles, towers, or carvings.