RAM Clamp Base - Square 102mm Post Base clamp with Arm & Round Base

RAM-101U-247-4 RAM® 102mm Square Post Clamp Mount with Round AMPS Plate - C SizeFeatures 2.5" round plate connects to RAM® device holders containing the universal AMPS hole pattern Includes 102mm clamping base for posts and a medium length, C size RAM® double socket arm; ball and socket te