Skyee [8 Pack Replacement Metal Pates for Magnetic Car Mount (4 Rectangular and 4 Round) for Universal Magnetic… Price: £12.55 (as of 15/08/2022 08:04 PST- Details) & FREE Shipping.

For All Magnet Mounts: The metal plate can be used to all magnetic car mount navigation holder fixed on air vent, CD Slot, Dashboard and Windshield. (Note: these metal plates themselves are not magnetic, these must be used with magnetic car mount)
8 Metal Plates for up to 8 Devices: With the extra universal mounting plate, you can use with multiple devices, including your Cellphone, GPS and Tablet.
Strong 3M Adhesive: All 8 mounting plates have a 3M adhesive sticky back. The 3M adhesive is strong enough to hold the phone even with a case on it

Usually dispatched within 24 hours