CAR WINDSCREEN MOUNT HOLDER FOR GPS TOMTOM ONE XL XL-S XL-T Quality Handy CAR WINDSCREEN MOUNT HOLDER FOR TOMTOM ONE XL XL-S XL-T This is a high quality car suction mount for TomTom One XL XL-S XL-T which includes one suction and one mount. There are many version of TOM TOM ONE. Make sure you check your TOMTOM GPS. This doesn't work with TomTom One V2 V3 Second Third Version.