Provides a stable, secure, dashboard mount for your portable GPS and other handheld devices. Grip-iT Universal Device Holder is designed for all popular GPS models including Garmin, Magellan, TomTom and most any portable mobile electronics device. Grip-iT simply connects to the louvers of your vehicle?s air vent for easy access. The unique design allows Grip-iT clamping arms to open up to 4.5" wide to accommodate almost any portable electronic device. GPS and Mobile Device Holder.