The Versatile World of Double-Pointed Needles: A Comprehensive Guide Double Pointed Needles DPNs come in various materials, such as metal (aluminum, brass, or stainless steel), wood (bamboo or birch), plastic, and carbon fiber. The material choice affects the weight, warmth, and smoothness of the needles, catering to personal preferences. Visit:https://www.knitpro.eu/b/double-pointed-needles/en