RAM Tough-Claw Small Clamp Mount for Garmin nuvi 52, 54, 55, 56 & 58 (RAM-B-400-GA55U) (sku 54196)The RAM B 400 GA55U consists of the Tough Claw rail clamp base, STANDARD length double socket arm and custom high strength composite cradle. The Tough Claw rail clamp base is the perfect mounting base for quick and easy tool less installation and removal on round, square, odd shaped rails and bars. The mount is designed with a RAM 1" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this