National 4 In. Oil Rubbed Bronze Square Spring Door Hinge National Hardware Meets or exceeds all building

Meets or exceeds all building codes

resulting in an endless variety of new flavor combinations

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

Can be programmed with a SDD/TKO/TCP/MVPP type tool

National 4 In. Oil Rubbed Bronze Square Spring Door Hinge National Hardware Meets or exceeds all buildingCatalog 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.