"The RAP-299-3-UN11U consists of the RAM-A-CAN cup holder base, double socket arm and universal X-Grip cradle. Included are support fins that flex and can be trimmed, making the cup holder base conform to most vehicle cup holders. The mount is designed with a RAM 1"" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm, allowing for almost infinite adjustment and perfect viewing angles. The X-Grip cradle is compatible with handheld devices that will fit the dimensions listed below. It is important to verify the dimensions of your handheld device with a case/sleeve/skin when determining the overall size. Compatible with any vehicle cup holder with an inside diameter range of 2.57"" to 3.5"". Cradle Dimensions Minimum Width = 7.25"" Maximum Width = 8.75"" Maximum Length (WITHOUT additional supports) = Unlimited Maximum Length (WITH additional supports) = 10.25"" Depth = 0.875"" The RAM-HOL-UN11U is compatible with the iPad Pro WITHOUT CASE ONLY."