3” x 5? x ¼” structural angle main frame 3” x 2” x 3/16” cross members 4” channel tongue 6’ 6” interior height 6’ roof radius Center gate (except 12’ models) Dexter Torflex torsion axles Bulldog coupler and jack Electric all-axle brakes 12-volt breakaway with battery Rubber-mounted LED lighting Double tail lights Treated and kiln dried pine flooring Bead-blasted pre-paint PPG epoxy primer and urethane paint