Two large 12″ tall doors with full-length continuous hinge and recessed frame. Heavy-duty steel support legs mount directly into bed floor, not into fender. Made with contractor grade diamond brite tread aluminum. Thick 3″ wide rubber pad protects truck side rails. No drilled in side rail; J-bolts fasten under bed lip. Equipped with stainless steel die cast T-handle compression latch with lock for security. Full-weather stripping keeps moisture and dust out.