RAM Clamp Base - Square 76mm Post Base clamp with 1 inch (B Series) Ball

RAM-B-247U-3 RAM 3 Inch Max Width Clamp Base with 1" BallFeatures Clamping base ideal for square posts up to 3" in width Included B size 1" RAM® rubber ball allows for connection to any B size RAM® double socket arm; ball and socket technology allows for near-infinite adjustabilit