Knitter's Pride Karbonz feature new-age needles made from high-tech carbon fiber with tips in electroplated brass, a killer combination of two versatile materials. They are both high tensile strength and lightweight, the same versatile material used in the manufacturing of the new generation of aircrafts, space ships, and automobiles. Double Pointed Needles 6 in. Size 0- Shiny, smooth brass tips come to perfect points, flawlessly tapered. Ideal for all types of yarns and for every project. Warm to the touch and gentle in the hand.