1⅜” extruded aluminum hat-shaped bows on 24″ center line

1″ extruded aluminum J-shaped bows on 48″ center lines

11⁄16” anti-snag 18 ga. galvanized steel bows bonded to roof skin

1-1/16″ Anti-Snag 18 Ga. Galvanized Steel Roof Bows 16″ Center Line; (Front and Rear Subframe 24″ Center Line) Bonded to Roof Skin