Our tent Frame's specification:
(1)Aluminium Outer leg: Hexagon shaped-40 x 40mm ; thickness :1.5mm
(2)Aluminium Inner leg: Hexagon shaped-35 x 35mm ; thickness :1.5mm
(3)Aluminium Truss bar: Rectangle shaped-26 x13mm; thickness:1.3mm
EASY TO POP IT UP&POP IT IN-Folding Aluminum frame with no loose parts. No tools required. Setup and breakdown is quick and easy with the push button toggle leg adjustments and the oversize easy grab pull pins at the top corners.