Description _x000D_ _x000D_This car magnet metal plate is made to use with magnetic mobile phone car mount, magnetic air vent mount and other magnetic smartphone car mount. Good quality and value replacement metal plates for magnetic cell phone holder. Rectangular and round metal magnetic plates to attach device onto magnet mounts. _x000D_ _x000D_Features _x000D_ _x000D_-Color: Black. _x000D_-Material:Stainless iron. _x000D_-Size (square): About6.50X4.50X0.20cm/2.55X1.77X0.08in. _x000D_-Size (round): About 4cm/1.57in(diameter). _x000D_-Note:They are non-magnetic and need to be used with a magnetic phone holder. _x000D_- The strong magnetic plate mount can be easily attach to the back of your electronic devices. _x000D_- The rectangular thin metal plate is better for larger phones, mini tablets and GPS devices. _x000D_- These mount metal plates are thin, slick and smoothly and won't scratch your smartphones and no any bulk to your cell phone. _x000D_- The rounded corners of this metal mounting plate are designed to protect your phone or scratching hands. _x000D_- These metal plates are great to use with smartphones, tablets and GPS magnet mounts.Packing list20 x Iron Plates