Help secure your phone to your vehicle's dashboard with the Reinforced Magnetic Air Vent Mount. The mount holds your phone in place with four N50 neodymium magnets. A rotating stainless steel ball joint allows you to find the optimal position to mount your phone for hands-free use. Two metal plates are included to place inside a phone case, enabling a phone to attach to the Air Vent Mount, one large 6-1/2 x 1-4/3" plate and one small 1-7/8 x 1-5/16" plate.