Navitech Dash/ Windscreen Mount For The Garmin Nuvi 1490, 1490t, 1450, 1490 tv, 1450t, 1410t & 1440 Full Clip and Lock System to windscreen full ultimate hold (up to 7kg in weight) 360 degree strudy operational head to your Garmin A full 2 piece windscreen mount for your Garmin which can be easily seperated The ball joint is 17mm in diameter