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Title: Won't work on unibody MacBook Pro
Review: When I ordered this I had a MacBook Pro laptop c. 2007. This lock fit fine. Then I upgraded my laptop to the current MacBook Pro (2010), which has the unibody construction. The width of the metal around the lock slot in the unibody Mac is wider than the distance between the locking bar and the shaft on this lock, meaning you can not turn it the 90 degrees necessary to lock.
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