The Curb Chain Choker Length: 12" + 3" Extender Thickness: 2.5mm Metal: 18KT Gold Plated Brass or Rhodium Plated Brass 14kt Gold Production Timeline: Roughly 1-2 weeks **Please note that the weight and thickness of the 14KT Gold chains can vary due to rising gold prices and what is available to our production team at the time of purchase. Thank you for understanding!**