Four very heavy duty 4 in. X 4 in. X 3/8 in. galvanized angle iron sections originally for a high security roll-up door. Two at 11 ft. 4 in., one at 10 ft. 8 in., and one at 9 ft. 5 in. Look closely at pictures for details or contact me with questions. $135 for each or $400 for all.