Description: - These screws attach the bottom case to the top case - Ten screws are needed per MacBook Includes: - Ten 10 Phillips PH000 bottom case screws Compatibility For MacBook Pro 13 A1278 - For MacBookPro55 Mid 2009: MB990LL/A - For MacBookPro55 Mid 2009: MB991LL/A - For MacBookPro71 Mid 2010: MC374LL/A - For MacBookPro71 Mid 2010: MC375LL/A - For MacBookPro81 Early 2011: MC700LL/A - For MacBookPro81 Early 2011: MC724LL/A - For MacBookPro81 Late 2011: MD313LL/A - For MacBookPro81 Late 2011: MD314LL/A - For MacBookPro92 Mid 2012: MD101LL/A - For MacBookPro92 Mid 2012: MD102LL/A For MacBook Pro 15 A1286 - For MacBookPro53 Mid 2009: MB985LL/A - For MacBookPro53 Mid 2009: MB986LL/A - For MacBookPro54 Mid 2009: MC118LL/A - For MacBookPro62 Mid 2010: MC371LL/A - For MacBookPro62 Mid 2010: MC372LL/A - For MacBookPro62 Mid 2010: MC373LL/A - For MacBookPro82 Early 2011: MC721LL/A - For MacBookPro82 Early 2011: MC723LL/A - For MacBookPro82 Late 2011: MD318LL/A - For MacBookPro82 Late 2011: MD322LL/A - For MacBookPro91 Mid 2012: MD103LL/A - For MacBookPro91 Mid 2012: MD104LL/A For MacBook Pro 17 A1297 - For MacBookPro52 Early 2009: MB604LL/A - For MacBookPro52 Early 2009: MB604LL/A - For MacBookPro52 Mid 2009: MC226LL/A - For MacBookPro61 Mid 2010: MC024LL/A - For MacBookPro83 Early 2011: MC725LL/A - For MacBookPro83 Late 2011: MD311LL/A