Marblz Fixed Circular Knitting Needles at Paradise Fibers come in cable lengths 16, 24, 32, 40, and 47 inches. Our customers love the feel and grip of the smooth, lightweight, flexible, Marblz needles. The tips are pointy and taper perfectly for all knitting projects. Across the line of Marblz needle types each needle size is a different, vibrant color. The color is determined by the needle size. Available in US sizes 4-11, (3.5mm-8mm).