Garage Door #1 Joint Hinge 7-3/8 Inch 12 Gauge With Carriage Bolts Galvanized

#1 12 gauge galvanized joint hinge with carriage bolts and nuts included. Functions as a hinge and pivot for roller shaft accepts standard 7/16 inches diameter roller stem use between first and second sections on left and right side of door and all center positions. Used for metal and wood garage doors. Will need to use (5) #1 hinges on 8 or 9 foot wide doors and (11) on a 16 foot wide door.