Brand: ToughTested. MPN: TT-4S-MAGBM. ToughTested's Best Selling Boom Cup Holder Mount is now available with their MagTough magnetic mounting system. The MagTough magnetic docking system with multi-magnet magnetic ring provides a secure hold for your device even over rough roads. The mount has universal compatibility using included multi-magnet rings. Boom's extension arm offers infinite position-ability' extends to 13.3 in.' and the expandable cup holder base fits securely in all vehicle cup holders. Strong construction and materials prevents vibration even over rough roads and offers the strength' stability' and durability you have come to expect from ToughTested but now in a sleek' magnetic mount design.