Our 5-piece Aluminum Super Flag Poles are 16 feet tall and break down to 5 interlocking pieces for easy construction and storage. Interior is reinforced for extra strength against high winds with a top diameter of 0.75" and a base diameter of 1.125". Top is curved to fit Advertising Super Flags. This pole is designed to save on shipping as there is no oversized box surcharge. Flag and Mount are sold separately. This pole is intended for use with Advertising Super Flags and/or Wind Dancer Flags. Pole Assembly Instructions Can Be Found Here