RAM Clamp Base - Square 76mm Post Base clamp with 2.25 inch (D Series) Ball

RAM-D-247U-3 RAM® Square Post Clamp Base for Posts up to 76mm Wide - D SizeFeatures Clamping base ideal for square posts up to 76mm in width; adjustable and easily removable Included D size 2.25" RAM® rubber ball allows for connection to any D size RAM® double socket arm RAM ball and sock