National 3.5 In. Square Oil Rubbed Bronze Spring Door Hinge is the best way to show your support! You can show your support for the National 3.5 In. Square Oil Rubbed Bronze Spring Door Hinge with this cool National 3.5 In. Square Oil Rubbed Bronze Spring Door Hinge.
Catalog model No. V520 series square spring door hinge. Adjustable tension. Listed for fire rated openings. Ideally suited for residential as well as commercial, industrial, and institutional uses. Manufactured with cold-rolled steel. Closing speed is adjustable. Fits standard hinge cutout. Square corners.