D&D Technologies SHUT IT Gate Hinges 

Shop Now: gatehardwarece...
Shut It Gate Hinges are designed to reduce wear on industrial & automated gate operator systems with their near frictionless movement. You won't have to worry about maintenance since greasing is not required on the sealed bearings. These hinges are adjustable and are available in weld-on and bolt-on options.
Learn more about gate hardware here: gatehardwarece...