RAM Glare Shield Clamp Mount for Garmin GPSMAP 176, 296, 496 + More (RAM-B-177-GA7U) (sku 54946)The RAM B 177 GA7U consists of a glare shield clamp base, double socket arm and cradle for the Garmin GPSMAP. Simply locate the clamp on any clamping surface up to 5 8" thick and gently snug the nylon thumb screws. The double ball & socket system will provide perfect viewing angles to get the most from your Garmin GPSMAP. The RAM glare shield clamp with double ball & socket system is far and away the most discrete and clean way to mount most any