This RAM high strength composite cradle is designed to hold the following devices:
Apple iPhone 4 WITHOUT Bumper, Skin or Case
Apple iPhone 4S WITHOUT Bumper, Skin or Case

Alternative Cradle for Apple iPhone 4 and iPhone 4S WITH Bumper, Skin or Case

Material:
High Strength Composite

Note:
The "U" in the part number reflects product packaged in poly bag. The cradle includes a set of two nuts and bolts to connect the cradle to any of the RAM compatible mounts. RAM cradles do not include the RAM-B-238U (Diamond Base & Ball) or RAP-B-238U (Diamond Composite Base & Ball), required to attach to the cradle and RAM mounting system.

This cradle will NOT hold the 1st generation Apple iPhone, iPhone 3G, iPhone 3G S or iPhone WITH bumper, skin or case.