11pcs Stainless Steel 80cm Length Circular Knitting Needles 1.5mm-5.0mm Material: Stainless steel. Needles are anti-resistance to keep longevity. Each circular needle's total length is about 31.5 inch (80cm). The stainless steel needle tip's length is about 5.5 inch (14cm). Each circular needle attached with a Chinese needle gauge and a big eye sewing needle for stitching the joint.