Residential Top Roller Fixture Bracket (Carrier), Adjustable, An adjustable (3/8" to 7/8" and 1-7/8" to 3-3/16") top roller carrying fixture. Bracket is 16 gauge and slide is 14 gauge galvanized steel,2-1/2" wide x 3-3/4" long x 2-1/2" high. For use on the top inside corners, right and left sides, of the top section of any type residential overhead Garage door.