⅜” 14 ga. high strength galvanized hat-shaped 24″ center line; (front and rear subframe 16″ center line) with “A” slots on 8″ vertical center line; posts on 12″ center line at extreme front panel

¾” 14 ga. high strength galvanized hat-shaped 24″ center line; (front and rear subframe 16″ center line) with “A” slots on 8″ vertical center line; posts on 12″ center line at extreme front panel

1⅛” galvanized high strength hat posts on 24″ center line with choice of plywood lining options

Top angle bracket style removable posts on each side

1″ J-shape extruded aluminum posts with 16″ maximum center line from front to rear of support legs with 24″ center line legs to rear; 2 additional posts each side over front subframe