I can only confirm this: fit exactly does it, but the two screws so that you get all of (tested on a brand new iPhone 4S). Who has something against microscopic scratches on the screws, should refrain from Otto-Normal-consumer can access calm. Awkward packed. Function of the suction cup is not obvious to me immediately, but perhaps others can do something with it.
Please note: the iPhone 4 initially were Phillips and built the Pentalobe screws in later batches, the iPhone 4S, there are only Pentalobe screws from the beginning.