National Hardware N236-154 2060R Spring Hinge, 4-1/2", Bright Brass Autumn_Cleaning 2 year warranty by manufacturer

2 year warranty by manufacturer

Detection Range: 3/4 inch

and planting information on mat

Ethyltriacetoxy Silane and Methyltriacetoxy Silane

Exterior Material : Steel

National Hardware N236-154 2060R Spring Hinge, 4-1/2", Bright Brass Autumn_Cleaning 2 year warranty by manufacturerHighlights: 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.