New 20" Silver 4mm Omega Chain Necklace Choker Collar (CO5) Silver plated 4mm Omega choker necklace is versatile and easy to care for Can be worn alone or crafters and jewelry makers can use this necklace to complete their necklace sets Measures 20". We also have 16" and 18" inches available Features a sturdy, high quality lobstr clasp A beautiful necklace to hold your favorite pendants and charms