New 18" Gold Plated 4mm Omega Necklace Choker Collar Chain (CO4) Gold plated 4mm (approx 3/8 inch) Omega choker necklace is versatile and easy to care for Can be worn alone or artisan crafters and jewelry makers can use this necklace to complete their necklace sets Measures 18". We also have 16" and 20" inches available High quality lobster clasp that is very sturdy A beautiful necklace to hold your favorite pendants and charms