Use this adapter to be able to quickly set and remove your AMPS Mount for MagSafe Charger from a mounting position. It also allows you to mount the AMPS Mount for MagSafe Charger without having access to the rear of the surface on which you are mounting it (a common scenario with ProClip bases), by using the included sheet metal screws. What's in the box: 4 x 8mm M4 machine screws, 4 x M4 nuts, 4 x 6.5mm M2.9 sheet metal screws. Apple, iPhone, and MagSafe are trademarks of Apple Inc., registered in the U.S. and other countries.