ANSI Ball Bearing Hinge is a popular hinge, it is durable and easy to use. The material of ANSI Fire Rated Door Hinge is stainless steel, so it can keep the original shape very well. It won't turn yellow or rust. The ANSI Door Hinge can also keep smooth surface for a long time, not easy to rust and can wear resistant, these two characteristics greatly reduce the possibility of Interior Door Hinge become old and bad. The Ball Bearing Hinge can also keep long-term lubrication, make you convenient to open and close the door. The Stainless Steel Door Hinge is smooth and easy to install and use, it can bring you high security and beauty. For further information, please contact us.