This is a classic 14K Gold Filled Drawn Cable Chain with a stamped Gold Filled lobster clasp. The links measure 2x5mm    You will receive a 20 inch necklace that I assemble by hand.. I can make any length you'd like, message me for special requests! Also have these listed in 15, 16, 17, 18, 20, 22, 24, 27, 30 and 36 inches.. as well as sterling silver