LycoGear's Lycan series Universal Boat Helm Mount (Also compatible with Treadmill, Elliptical Indoor Spin Cycle Bike) for Tablets & Smartphone features an innovative holder that adjusts to fit any 7" - 12" tablet. The mount base fits rails and posts up to 1.70" inch/ 43mm diameter. Innovative, adjustable tablet /smartphone holder fits any tablet 7"-12" with or without a case or skin. Can be mounted on posts and rails up to 1.70inches / 43mm in diameter. For use with bicycles, motorcycles, golf carts, boats, ATVs, snowmobiles, wheelchairs, hang gliders, or other apparatus having cylinder-shaped frames or posts. 360° rotation for positioning in portrait or landscape view.