780-057HD 83 CLR Hager Continuous Hinge Full Surface Continuous Geared Hinge, Heavy Duty, 83, ALUMINUM"

All Roton continuous geared hinges have cutout design and spacing coordination is thereby eliminated in both new construction and restoration work. Reinforcement plates are not required in doors or frames except where the gauge is too thin for the fasteners in relation to the door weight or where abusive operation is anticipated.