3.5" Heavy Duty Self Closing Door Hinge with 5/8'' Radius Corners, UL Listed, Door Spring Hinge with Adjustable Tension for Interior Door, Applicable to Left & Right Hand Door, Matte Black, 4 Pack

Why Choose these Self-Closing Door Hinges?

1. Convenience: With these hinges, you no longer have to worry about family members forgetting to close doors or pets leaving doors open behind them.

2. Quiet Operation: The innovative quiet technology ensures smooth operation without any jamming or squeaking, thanks to low metal friction.

How Many Hinges Do I Need?

The number of hinges required depends on the weight of the door. Here are some guidelines:

- For doors weighing up to 35 lbs, one hinge is recommended.

- For doors weighing between 35 and 80 lbs, two hinges are recommended.

- For doors weighing between 81 and 115 lbs, three hinges are recommended.

- For doors weighing between 116 and 150 lbs, four hinges are recommended.

- The heavier the door, the more hinges you will need. However, ensure that all hinges have the same tension when using multiple hinges on one door.

Important Instructions:

1. Adjust the tension when the door is in the closed position.

2. Regardless of whether it is a right-hand or left-hand door, always rotate the tension adjustment rod or hex wrench to the left.

3. Once you have completed the final adjustment, make sure to drive the pin flush with the hinge barrel.

Here Are Some Tips:

- These hinges come with both machine screws and wood screws, making them suitable for both 1-3/4" and 1-3/8" thick doors.

- Please note that adjusting the tension to be negative will not make the hinges self-opening.