18" 1.6mm sterling silver fine figaro chain necklaces. Figaro chain features a pattern that alternates between long and short links of chain. Four long and one short link per inch. Long links: inner dia. 0.9x2.9mm, outer dia. 1.6x3.7mm, and 0.37mm/.014" thick. Short links: inner dia. 0.6x0.8mm, outer dia. 1.6x1.8mm, and 0.37mm/.014" thick. Soldered.