RAM universal spring loaded cell phone cradle holder Designed to hold the Apple iPhone 3G, iPhone 3G S and iPhone 4, Blackberry Bold and Storm 2, HTC Droid Incredible, Evo 4G and G2 Motorola Droid Pro, Droid 2 and Droid X Nokia N8, N900 and X6 Samsung Galaxy S , Windows Phone 7, iPhones and cell phones with skins, sleeves, bumpers and cases High strength composite material Cradle clamping dimensions: 4.75 - 6.25" height range; 2.25" - 3.25" width range RAM cradles do not include the Diamond Base and Ball or Diamond Composite Base and Ball required to attach to the cradle and RAM mounting system Display packaged For more information on this product check out this video.