The EGO, GEO and the XWAY models can be fixed on the air vent frame wile the FIX model can stick to any plain surface. Tetrax is designed to be installed inside your car and, thanks to the wide range of models available (EGO, GEO, XWAY and FIX) can be used for numerous devices as: - Cell phones - Portable satellite navigation systems - Remote controls and many others. The EGO, GEO and the XWAY models can be fixed on the air vent frame wile the FIX model can stick to any plain surface. Tetrax versatility gives no limits to your imagination for its applications in the car, at home and office and helps to keep your everyday portable devices in order and within reach. XWAY Line - Ideal for larger devices Tetra XWAY incorporates magnets and reinforced clips in a thermoplastic structure designed to support the majority of satellite navigators currently available on the market. This practical, lightweight, low volume model allows the driver to interact with the navigator in total safety without obscuring visibility. View video XWAY line GEO Line - Ideal for cellphones & MP3 100% metal Tetrax, a rotating ring to screw and unscrew a pliers system, covered by an anti-abrasion rubber. This light weight ( less than 15 grams) reduced volume version (15 mm diameter and 20 mm length), is ergonomic, hard wearing and unalterable over time, thanks to the galvanizing treatment, characteristic of this model. The 6 different finishes both enhance the Invisible Attraction system and make this one of the most attractive models currently available. View video EGO - GEO - FIX lines FIX Line - Sticks onto most surfaces Fixed aluminium ring Tetrax which can be applied easily anywhere in your car thanks to the 3M high performance adhesive structure 3M. A weight of just 2 grams, a diameter of 15mm and 6 attractive colour ways make this model unique, practical and versatile.