This extra strength car magnet metal plate with 3m glue double-sided adhesive mat is attachable to use with automotive magnetic mobile phone car mount, magnetic air vent mount, other magnetic cellphone car mount, magicmount, wall mount and magnet phone carrier for car gps navigation. Variety of replacement metal plates stuff for adjustable magnetic cell phone holder. Packet of black steel plates sheets are just METAL included clear protective liner WITHOUT MAGNETISM. 4 pack wide replacement strip & ferrous 6 pack circle rust-free round magnet mount plates sticking with strong 3m adhesive backing attraction - universal 8 pack square shaped metal plates & spare 40mm circles metal disks. Powerful and detachable rectangular thin mettel plate for holding up cell phones is compatible with iphone 15 pro max iphone 15 pro iphone 15 plus iphone 15 iphone 14 pro max iphone 14 pro iphone 14 mini iphone 13 pro max iphone 13 mini iphone 13 iphone xs max iphone xr tablet.