Size: /w Air Vent Mount Holder for Garmin Nuvi Air Vent Mount Holder is made of high quality, super mini but very is durable. For Garmin Nuvi 52 Air Vent Mount Holder, For Garmin Drive Air Vent Mount Holder, For Garmin Drivesmart Air Vent Mount Holder. Works for Garmin GPS Units with 17mm swivel ball mounting pattern, for Garmin 40 42 50 51 52 54 55 56 57 58 60 61 65 67 68 2457 2497 2539 2577 2539 2577 2558 2559 2557 2577 2558 2597 2598 2599 2689 2699 LM LMT LMTHD GPS Air Vent Mount Holder.