Smooth, rivet less .024 white aluminum exterior walls 72 wall height. Round-top roof design with custom fiberglass nose cap. 32 side escape door. 12 ATP rock guard with trim. 2 5/16 A-frame coupler & dual safety chains. 2000lb coupler mount jack - 6 & 7 wide models. 5000lb coupler mount jack - 8 wide models. Tandem 3500lb drop spring axle with ST205/75D15 bias tires on white wheels. 7000lbs GVWR. Aluminum straight tandem fenders. DOT compliant lighting with Slimline digital LED taillights. 5.2mm wood walls with aluminum H-channel transitions. 3/4 Advantech plywood floor. 6 & 7 wide frames: 3x2 tube steel main frame. 3 tube steel tongue. Full tubular steel wall uprights on 24 centers. Formed channel steel cross members on 24 centers. Full tubular galvalume steel ceiling supports on 24 centers.