This version of the spring-loaded RAM Quick-Grip holder provides a secure fit for a variety of large phones and other devices. The adjustable side keepers ensure that devices like GPS units and Bluetooth speakers within the listed compatible dimensions will also fit in the holder. Included is a set of two nuts and bolts to attach the cradle to any RAM components that contain the universal AMPS hole pattern, including RAM diamond ball bases. Cradle Clamping Dimensions: Height Range: 5.75" - 8.25" Width Range: 2.625" - 3.625" Max Depth: 0.72".