This composite cradle/holder is designed to connect to any of the RAM compatible mount. Features: Allows access to all ports Simple to install, easy to use and remove High strength composite construction Includes a set of two nuts and bolts for connecting cradle to compatible RAM mounts Compatible Devices** Garmin nuvi 800 Garmin nuvi 850 Garmin nuvi 855 Garmin nuvi 860 Garmin nuvi 880 Garmin nuvi 885T ** Requires either the RAM-B-238U or RAP-B-238U Diamond Base (sold separately) to attach to the cradle to a RAM mounting system.