This is an OEM touchpad trackpad flex cable replacement compatible with Macbook Pro Unibody 17" A1297. If you having problem with touch pad flex cable works by sensing the user's finger movement and downward pressure. This top quality spare /repair part is used to replace damaged worn out/faulty part on your compatible with Macbook. Please note this is an excellent replacement part which comes ready to install. This part is guaranteed to function as long as you have it. Technical Information:- Compatible with Macbook Pro 17" A1297 Year 2009 2010 2011 High quality touch pad flex cable works by sensing the user's finger movement and downward pressure Part Number: 821-0750-A Includes: - 1 x Trackpad Flex Cable Important Note: - Opening your Device will void your Warranty; BisLinks cannot be held responsible for any damage occurred during your repair process. Please feel free to contact us for further information.