National Hardware Spring Hinge, 37 lb Weight, Number of Mounting Holes: 8, Steel, Oil-Rubbed Bronze, Dimensions: 4 in L x 4 in W, Suitable for: Hinge Cutout and Fire Doors Up to 3 ft x 7 ft
- Closing speed is adjustable
- Tension is adjustable
- Square corners
- Automatically closes doors
- Fully adjustable with wrench provided
- Lifespan warranty against defects in material and workmanship
- Easy to install
- Use anti-friction hinges with spring hinges for best spring performance
- Cold-rolled steel hinges with a decorative-plated finish have the added protection of baked-on lacquer, which helps retain the original beauty under ordinary condition
