Steel mounting plate is perfect for mounting your device to a MobNetic or other magnetic phone mount. Universal smartphone compatibility: iPhone& Android - Samsung, Google, Motorola, LG, HTC, Blackberry. MobNetic mounting plates are 0.02 in. thick & are designed to be used with or without a phone case. Single placement mounting plates use high-hold 3M VHB non-marking adhesive to secure to device/case. Ideal use for boats, cars, work trucks, motorcycles & extreme sports.