Navitech dash air vent mount ball for Garmin Nuvi / N&uuml;vi 2497LMT, 44, 44LM, 42, 2557LMT, 2577LT, 3597LMTHD, 52, 52LM, 54, 54LM, 2757LM, 2797LMT (Full 12 month warranty) Fits all Garmin models with a 17mm ball joint attachment, which is 360 degrees operational With most satellite navigational systems they can be in your line of sight to the road ahead, Navitech has the perfect answer at a very resonable price with our innovative vent mount which has been fully tested on and off road This airvent can be easily transfered from car to car if needed