National Hardware Spring Hinge, 37 lb Weight Capacity, Wall Mounting, Number of Mounting Holes: 8, Cold Rolled Steel, Brass, For: Hinge Cutout and Fire Doors Up to 3 ft x 7 ft
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
However, exposure to moisture, strong cleaning solutions, paint remover or other chemicals may break down the protective coating and cause the finish to fail