Beautifully polished ZEN Ebony Circulars are made of black toned ebony wood. with soft acrylic cords with a unique swivel tip that prevents kinking or tangling. All are handcrafted for us specifically for us by a small family company in India.These 16" Length needles (tip to tip) are available in US Sizes from 4 - 19. The tips are perfect, too, and the brass connectors smoothly finished, these needles are light and easy on the fingers, but elegant with their distinctive coloring and finish.