Double Pulley Revolving Flag Pole Truck6" Revolving style truck for external halyard flag poles. Cast aluminum threaded to fit standard 1-1/4 in. pipe thread. For Use on Flags Poles up to 45 ft. Double aluminum pulleys. Tapped for 1/2 - 13 or 5/8 X 11NC finial. Made in the USA. Painted to match all finishes except satin.