KnitPro Karbonz Double Pointed NeedlesKnitPro Karbonz are made from High Tech carbon fiber with tips in electroplated brass. Combination of two versatile materials light bodied carbon fiber & sharp brass tips is guaranteed to provide an unparalleled knitting experience. The needles have high tensile strength, are light weight with lot of flexibility. The surface is made of carbon fiber that helps the stitches move smoothly on the needle. The Karbonz is strong enough even in the tiny sizes