Arkon SM588 Universal Tablet Car Holder - 7\" - Seat Rail / Floor Mount The SM588 Arkon Slim-Grip Floor Mount for smartphones has a 20\" flexible aluminum-mounting pedestal that attaches to your car\'s seat bolt and also includes a floor mounting bracket option. Its laterally adjustable support legs and strong spring-loaded mechanism ensures that your smartphone remains securely in place. The Grip Phone Holder is compatible with nearly all phones including those offered by Apple, HTC, Motorola, Samsung, LG and more. Keep your smartphone or PDA in view while in the car with the SM588 Arkon Slim-Grip Floor Mount.