The c-clamp base will accommodate rails in diameter from 0.625" to 1.25". Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at the base and cradle. With a twist of the arm knob, you can move the Tab-Tite™ mount to your optimum viewing position. The spring loaded, quick release Tab-Tite™ cradle makes it easy to load and unload your tablet, along with keeping it secure while on the go. Cup ends are designed to optimize the functionality of your tablet with access to audio jacks, power, and other ports. PLEASE check the dimensions of your table and case with the below: DELIVERY TIMES are estimates - if not outright wild guesses - from Ebay and the carriers only and are NOT guaranteed. Our experience is that standard Priority Mail shipments