This custom adjustable charging car mount holder for the Apple iPhone is designed to hold the iPhone used with a small to medium case. You make a one time easy adjustment to have the best fit for your iPhone with a case. When you switch cases you can re-adjust the holder for a better fit. Rotate in portrait and landscape view, great for navigation. Angle the holder for optimal viewing. Machined and hand tooled in Sweden from High Grade ABS plastic. Please note this is not a spring loaded design.