Bommer 3029-4-633 4in Double Acting Spring Hinge-Mortise Type-Steel Base-Polished Brass
Adjustable spring tension permits power and speed adjustment.
Door Thickness: 7/8in. to 1-1/4in.
Max.Door Weight: 60lbs.(2 hinges); 75lbs (3 hinges).
Max. Door Width: 28in.(2 hinges); 36in.(3 hinges).
Min. Door Height: 80in.
Adjustable spring tension permits power and speed adjustment.
Door Thickness: 7/8in. to 1-1/4in.
Max.Door Weight: 60lbs.(2 hinges); 75lbs (3 hinges).
Max. Door Width: 28in.(2 hinges); 36in.(3 hinges).
Min. Door Height: 80in.