Arkon"s SM525-S 15" Tall Flexible Steel Gooseneck Seat Bolt or Floor Mount attaches to your car"s passenger-side seat bolt location. Nearly all car"s have an exposed or easily accessible passenger-side seat bolt. Arkon"s sm525-S utilizes this location to position your Smartphone in the car within close proximity. If you"re using a smartphone, particularly with a gps application, Slim-Grip is the stylish, affordable, highly functional, quality cell phone holder that you"ve been waiting for. It features laterally adjustable support legs and a strong spring-loaded mechanism which securely grips your phone. The NEW Slim-Grip holder is ideal for use with ALL versions of the iPhone including the new iPhone 4, Samsung Galax S phones, Smartphone"s with slide out keyboards like the Motorola Droid, Superphones like the EVO 4G, HTC HD2, HTC Desire Z, Droid X and devices like the BlackBerry that have keys and buttons on the side of the device. Compatible with devices with or without a case or sleeve installed.