Channel Post Bases: Base Type - Channel Post U; Channel Position - Side By Side; Base Height - in - 3-1/2; Pad Dimensions - in - 6 x 6; Pad Mtg Holes - (4) 3/4 in.; Additional Information - Channel Dimensions: 1-5/8 in. x 1-5/8 in.; Manufacturer Series - B281
Additional Info: Channel Dimensions: 1-5/8 in. x 1-5/8 in.