This is the Pole ONLY. Our 23" pole can be ordered to fit 12", 14", 16" flags, (select your flag size when ordering) perfect for flying your ensign on the stern as seen here. Standard rail clamps are can be ordered separately from 1/2" to 1-1/2" specify when ordering, flat mounts straight up or at 10 degree angle can be used instead of the rail clamp, order from products page.