National 4 In. Oil Rubbed Bronze Square Spring Door Hinge National Hardware The 4-pin cylinder prevents picking

The 4-pin cylinder prevents picking and the dual locking levers provide resistance against prying and hammering

This creates a foldable tab which provides easier stapling for installation in wall

accented with a hint of Black Pepper

Creates a 1-piece roof with a 10 year limited warranty

National 4 In. Oil Rubbed Bronze Square Spring Door Hinge National Hardware The 4-pin cylinder prevents pickingCatalog 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.