General purpose unscreened gray 40-way ribbon cable with red polarity marker strip by RS Components. Pitch: 0.05" (1.27 mm) Center Spacing for 2.54mm, width 63.1mm , suitable for any 40 way IDC connector. Status: BNS (Brand New Stock) RS Stock No : RS289-9975 Sold by the metre, in one un-spliced length, so if you want longer than one metre, simply order multiples and you can cut it down to any length you require. RoHS compliant: YES