The Infinity Long Link featured here is the mainstay of the interlinking Infinity chain system. It can be combined with itself, for a collar length chain, take 3 long links. Then add long or short expression to create a longer necklace with your chosen features. To create a bracelet, link a Long link with a Short Link. Play around with the interlinking pieces until you create your perfect piece. Crafted in 18ct yellow gold which is hallmarked, each clasp is set with two natural blue sapphires a total of .05ct. Its approximate length is 13.5cm (5.31 inches) the links are hand made in Britain with delivery in 28 days.