National Hardware® N184-572 Mortise Spring Hinge, 4" x 4", Dull Brass Trending_Items Door bottom combination

Door bottom combination

Permanent graduations and numbers are easy-to-read

The fraction+ comes with a foam padded plastic case for safe storage when not in use

Electricenter

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

National Hardware® N184-572 Mortise Spring Hinge, 4" x 4", Dull Brass Trending_Items Door bottom combinationManufactured 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.