5 Piece Feeder Pole Set with Twist-in Ground Socket Steady those big houses and heavy feeders Mounting Flange measures 3-3/4in x 5-5/8" Equipped with a twist-in ground-socket for super stability in any soil. Total height of 80 inches and a mounting flange for bottom mounting houses or feeders. Pole is 1 inch in diameter, twister socket has a 1-1/32 inner diameter to accommodate a 1 inch pole.