Hi all. I have a 9 inch Garmin on a Size D RAM arrangement- a 6in arm and ball at each end. I am looking to go a second Garmin. This time 12inch. The single RAM size D joints won't hold it in rough weather on a 6 inch arm. Do we have anything better readily available here? I like Balzout arms but they seem largely to be available Stateside... cheers

PS. Am I right in thinking the Echomap 12 inch has quickrelease but the GPSMap 84xx series does not?

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