This RAM high strength composite cradle is designed to hold the following devices: Delorme Earthmate PN-20Delorme Earthmate PN-40Delorme Earthmate PN-60Delorme Earthmate PN-60w SEMaterial: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.