Nite Izes Steelie FreeMount fits most 2.24 to 3.54 wide phones with or without a case. The strong neodymium magnet with a secure grip silicone center provides smooth positioning of the phone when connected to a Steelie magnetic component (not included). Removing your phone is made simple with the convenient quick-release button. NOTE: Contains a strong magnet. This magnet will NOT damage your mobile device; however, do not place it near magnetically sensitive objects such as credit cards, pacemakers or computer hard drives. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Cell Phone Accessories.