National Hardware N236-154 2060R Spring Hinge, 4-1/2", Bright Brass Summer10 Chamfer under head for increased

Chamfer under head for increased strength

Meet the general and impact rated protection requirements of ANSI/ISEA Z87

Stronger adjustable tab for less breakage & optimal blade usage

This thick coating is enhanced with Polycarbonate

National Hardware N236-154 2060R Spring Hinge, 4-1/2", Bright Brass Summer10 Chamfer under head for increasedHighlights: Ideal for use in corridors, entrances and stairways Automatically closes door an alternative to overhead mounted door closers Patented ratchet adjustment eliminates need for adjustment locking pin Meets NFPA8 standard for 3 hour fire rated doors minimum 2 spring hinges per door required UL listed for doors up to 4' x 8' weighing up to 180 lbs.