Knitter's Pride Karbonz Circular Needles - Karbonz needles are a revolutionary new product!! These needles are constructed of light bodied carbon fiber, so they have high tensile strength, making them very difficult to break. These new - age needles 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!!