RAM Rail Clamp Base for 51 to 64mm Diameter Rails (C Series 1.5" Ball)

RAM-271U-2 RAM® Rail Clamp Ball Base for 50.8 to 63.5mm (2" - 2.5" Rails )Features Clamping base ideal for posts from 2" to 2.5" in diameter Included C size 1.5" RAM® rubber ball allows for connection to any C size RAM® double socket arm; ball and socket technology allo