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National N184-572 Square Corner 4" Spring Hinge - Brass (V520)Product InformationNational N184-572 Square Corner 4" Spring Hinge - Brass (V520) • Manufactured with cold-rolled steel • Closing speed is adjustable • Fits standard hinge cutout • Tension is adjustable • Square corners National N184-572 Square Corner 4" Spring Hinge - Brass (V520). Manufactured with cold-rolled steel. Closing speed is adjustable. Fits standard hinge cutout. Tension is adjustable. Square corners. Hinge is UL approved for fire doors. Other Item Details
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