10 Feet Length, Standard .05" 1.27mm Spaced Grey Flat Ribbon Cable for 2.54mm Connectors. 9C, 9-wire. General Description: Use this flat ribbon cable to build your own custom cables. It is available in a number of varieties, each with a different number of conductors. It is perfect for use with insulation displacement connectors (IDC). One edge of the cable is color coded, which is conventionally used to indicate pin 1 of a cable. This is a 9C 10ft roll silver flat ribbon cable.