Replace a stripped or missing screw securing the lower case of most Unibody model MacBook Pro laptops. The excluded models are the Late 2008 and Early 2009 15" MacBook Pro Unibody. These models have a separate battery door on the lower case. This

Replace a stripped or missing screw securing the lower case.

Replace a missing or scuffed plastic foot or a missing screw securing the lower case of your laptop.

Replace a missing or scuffed plastic foot or a missing screw securing the lower case of most Unibody model MacBook Pro laptops.