Shop for Carbon Braid. In stock, ready to ship. Carbon braid is used in the fabrication of custom definitive sockets for upper limb and lower limb prosthetics to reduce weight and increase stiffness. Carbon braid is available in weights of 12K standard, 6K lightweight, and 3K ultra lightweight, with roll lengths of 50 and 100 feet, black only. Stocked materials typically ship in 2-5 business days. Can’t find what you need? Get a quote.