Package includes 10 * Bottom screws 4 * Bottom out foot 1 * Screwdriver Applicable models Macbook pro 13 A1278 2009 2010 2011 2012 Macbook pro 15 A1286 2009 2010 2011 2012 Macbook pro 17 A1297 2009 2010 2011 Note Not for macbook pro retina series Foot installation method 1Using the screwdriver separate the bottom case by removing the 10 screws 2Clean the bottom with a dry cloth make sure that the foot area on the bottom case is clean and free of debris 3You can install foot directly however in order to keep the foot fixed better you can use heating tool (such as hair dryer) to heat the foot area on back of bottom case and then put on rubber foot when the foot area is hot 4Please keep pressing the rubber foot until the foot area cools down 5After the heating place cooling down clean and install the bottom case