Bifold Door Shock Absorber Hinge

Bi-Fold Door Shock Absorbing Hinge, Spring Loaded Flat Back Hinge Helps Compensate For Warped Doors, Automatically Spaces Hinged Doors, Helps Absorb Shock When Doors Are Open Or Shut Sharply, Relieves Stress On Doors, Hinges & Bi-Fold Hardware, Fits Doors Up To 24" Wide Weighing Up To 40 LB, Yellow Zinc Plated, Lifetime Warranty.