20" 2.0mm sterling silver medium cable chain necklaces. The links on this cable chain are made of flat wire, giving it more shine than chain made of standard round wire. The most popular type of jewelry chain, cable chain maintains an identical pattern for its entire length, giving it a classic and very versatile look. 14 soldered links per inch, inner link diameter is 1.7x1.0mm, outer link diameter is 2.0x2.5mm, flattened wire is approximately 0.2x0.5mm. These necklaces are finished with a spring ring clasp.