Please see clearly the size and function of this product when you buy it. Thank you for buying! (If you have any questions about this product, welcome to email consultation, we will reply you within 24 hours!) Connector Type: 64 pin Female to Female IDC Connector, Pitch: 2.54mm. Color: gray, Length: 118cm/46.5 inch. Main material: plastic, net weight: 147G.Product name: flat ribbon cable, package content: 1 x flat ribbon cable.( Features: double rows. 64Pin female to 64Pin female header with both end, compatible with 2.54mm spacing pin headers. Idc flat Ribbon cable, used for most atmel AVR jtag debuggers, in-system programmers, isp download, etc.