The RAM® Quick-Grip™ XL Phone Mount with Stubby™ Cup Holder Base (RAP-B-299-4-PD4U) is a low-profile, portable mounting solution that provides a secure fit for a variety of large phones and other devices. The Quick-Grip™ phone holder allows users to easily insert and remove their phone with one hand. The RAM® Stubby™ cup holder base features flexible support fins can be trimmed to size, making this cup holder base a versatile solution that can fit many different cup holder sizes. The RAM® ball and socket system allows for articulation at both ends of the double socket arm creating almost infinite adjustment and perfect viewing angles. The 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.