4' Roofline Ridgolator Fence & Wire Products 714420 Delrin Double Truck Trolley

714420 Delrin Double Truck Trolley Hanger Assembly With 9 1/2" Bolt and Plate: Same as above only with a 9 1/2" bolt trolley support plate

Roll Length: 660ft

The zero hitch pin and key ring allows flap to ride up when lifted by animals

Positive Drop Pin Hookup

4' Roofline Ridgolator Fence & Wire Products 714420 Delrin Double Truck TrolleyThe Roofline Ridgolator is recommended for agricultural and light commercial buildings only, not for use on buildings with finished ceilings or interiors. It has 220 square inches of net free air per ten foot vent. The air intake in square inches must be equal to or greater than the amount of air being exhausted by the Ridgolator. The product is bird proof and its low profile and streamline design blend into the structural lines of the building