ABH A135HD Aluminum Continuous Gear Hinges Full MortiseFull Concealed, Heavy Duty 1 8" Door Inset Safety hinge application when used without a frame stop Door Lip Protector Used Primarily in schools, nursing homes and day care faciities to avoid fingers and or other objects being closed in the door Fasteners: 12 24 X 3 4" undercut self drilling, thread forming tek machine screws Standard Lengths: 79", 83", 85", 95" and 120" + Custom Sizes Available Fire Rating Approved for use on metal swinging type fire