Stewart universal gpsdevice holder the new universal devicegps holder can be fitted to any x series f series and z series model device sizes claw adjustment each of the 4 claws can be rotated in 45 degree increments this provides 60mm of height and width adjustment and allows you to grip your device away from side buttons etc width adjustment both sides of the holder are adjustable to provide an additional 40mm of width adjustment fitting details x series fitted via a new adaptor