2 to 10mm Metal Circular Needles are connected with long cables of 12 to 40 inch length that accommodate several stitches in less time. These Metal Circular Needles are connected with cables, which are made of nylon, as their soft and pliable quality and strength helps in retaining the stitches safely. Metal Circular Needles are most suitable for flat knitting and available in a size ranging from 2 to 10mm diameters. 2 to 10mm Metal Circular Needles generally have a long shaft and taper at their end and are hot stamped in US and metric dimensions.