Boat Flagpole & Mounting Bracket Boat Flagpole holds flags up the 14" x 15" Two adjustable clips hold flag in place and makes it easy to interchange different flags Mounts to round or square trim up to 1 1/4" square or round Adjust angle of pole with quick turn of a screw from 90 to 180 degrees No permanent mount required, just mount with included thumbscrew and wing nut