Whizzotech Repair Replacement Screws for Unibody Apple MacBook Pro 13" 15" 17" A1278 A1286 A1297 Set of 10 Compatible with Macbook Pro Unibody 13", 15", 17" Not for Retina Display One set of bottom's body screws-3 x long & 7 x short screw; Total 10 scews. Repair Replacement Screws for Unibody Apple Macbook Pro A1278 A1286 A1297