Product_description: ['This RAM high strength composite cradle is designed to hold the following devices: Garmin Colorado 300, Garmin Colorado 400c, Garmin Colorado 400i, Garmin Colorado 400t, 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.'] (Page 1)