Sminiker Bestselling Universal 360 Degrees Aluminium Alloy Magnetic Car Mount Grade Mount Kit for Cellphone GPS Dashboard (Silver) 1.100% brand new car mount holder magnetic phone holder, Secure attachment for GPS, MP3/MP4,Smart Phone, Tablet PC etc 2.Made of full alloy materials.DurableDurable and never rusted socket features a powerful neodymium magnet and silicon center to provide a strong grip and smooth glide. The neodymium magnet is safe for all phones and tablets. 3.360 degress rotating provide you ulimated angle view 4.For 3M Primer,We recommend it be used when attaching the Ball Mount Component to a vinyl vehicle dash to create a durable bond. 5.It is no harm to your GPS&Smart Phone.