National Hardware® N184-572 Mortise Spring Hinge, 4" x 4", Dull Brass Trending_Items Expands and contracts with weather

Expands and contracts with weather conditions

Operating Temperature: 0-100°F (-18 to 33°C)

have a spring closing lid with neoprene gasket that vents at 5 psi internal pressure

Door bottom combination

6-Foot Cord Included

National Hardware® N184-572 Mortise Spring Hinge, 4" x 4", Dull Brass Trending_Items Expands and contracts with weatherManufactured with cold rolled steel. Closing speed is adjustable. Fits standard hinge cutout. Tension is adjustable. Square corners. Hinge is UL approved for fire doors. 4" x 4" Finish: Dull Brass 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 1 per pack.