Pack of 6 goldenwarm Black Door Hinges 4 Inch Self Closing Spring Door Hinge with Sqaure Corners - Adjustable Door Closing, Residential Door Hinges -

Iron Material with Matte Black Finish, 4 inch x 4 inch, Square Corners, 2.7mm thickness.

These spring hinges are heavy-duty, made with high-quality iron, the surface is specifically manufactured with Electroplating Coatings.

They are tough enough to hold a variety of doors, such as wood, metal, interior, exterior, residential and commercial doors.

We recommend you to apply minimum 2 hinges for each door.

Easy to Adjust: Follow the manual inside the package, you can easily use the included hex wrench to adjust the closing speed.