How do I replace a broken hinge or roller on my garage door? Hinge #2 replaces hinge between 2nd and 3rd sections on left & right side of door Width: 3″ overall & Height: 7 3/8″ high 18 Gauge Galvanized Steel Roller tube accepts a standard 7/16″ outer diameter stem roller This #2 Hinge is for use with residential sectional garage doors Should have #2 printed on the existing hinge Used by most garage door manufacturers