General description Designed with a spring mechanism, this heavy-duty wheel allows gates to open and close smoothly by automatically adjusting its height on uneven surfaces, preventing sagging of the door. The robust construction ensures durability and reliability for various applications. Technical specifications Material: Rubber + Metal Weight: Approximately 1034 g / 36.5 oz Wheel Diameter: 100 mm / 4 in Load Capacity: Max. 100 kg / 220 lbs Compatibility and accessories Universal mounting plate with 4 holes for easy attachment to wooden gates or along horizontal or vertical rails of a tubular farm door. Usage Facilitates the opening and closing of gates with ease. Ideal for use on farm gates and other heavy doors.