3 inch standard no. 2 hinge for roller with 7/16 inch stem diameter for garage door.
Hinge consists of heavy duty 14 gauge galvanized steel.
The roller tube accepts a standard 7/16 inch diameter roller stem.

Housing Width: 3 Inch
Material: Steel

Contents: 1 Hinge and 4 1/4-20 x 1-7/8 Inch Pancake Head Carriage Bolts with Nuts

Position #2 see Image 4 for reference

Priced and sold each.