SALEX Showay Replacement Metal Plates Set (8 Pack) for Magnetic Car Phone Holders, Wall, Air Vent Mounts, Cases, Magnets. Kit of 4 Black Round and 4 Rectangular Iron Discs. 3M Adhesive Backing.

REPLACEMENT BLACK METAL PLATES 8 PACK | These flat metal plates perfectly work along with all magnetic car, wall, cases, air vent phone mounts. These iron disks only for magnetic car mount are not magnets mount, just the metal plates for phone mounts to adhere to.
STRONG 3M ADHESIVE BACKING | Pretty iron stickers kit for car mount have strong 3M adhesive on the back. It will not come off and no sticky residual after detaching. Powerful magnetic keeps your device stable and secure while driving. Phone mount steel plate sticks on your phone back or case firmly and securely. No worry of falling off.
ULTRA THIN METAL PLATE | The smartphone steel sheet is ultra thin so that it can be hidden inside of phone case without adding bulk. 0.02" / 0.5 mm thickness. Round disk - 1.57" / 40 mm, Rectangular plate - 2.56" x 1.77" / 65 x 45 mm. These slim magnet stickers set easily attach to your smartphone, tablet, GPS. The surface of the cute metal plate with no sharp edges would not damage your fingers and cell phone.
SUITABLE ACCESSORIES | Stick steel plate for phone bracket mount behind your case/battery cover, on a rugged case, or directly to your device, put it between cellphone and its phone case. Then device will automatically as it closes to the car mount. Great for wireless charging.
ADHESIVE METAL PLATES | Black colored metal plates will look great on iPhone 12, 11 Pro, Xs Max, Xr, 8 Plus, 7s, 7 Plus, 6s Plus, iPad, Samsung Galaxy S22+, S21+, S12+, S11+, S10+/S10/S10e/S9+/S8+/S7/S6, Edge, Note 20, HTC ONE, LG, Sony Xperia, Google Nexus Pixel, Motorola.