Windows Alu. Awning Doors Alu. Awning Retractable Awning Waterproof Canopy Scene: home, shop,swimming pool,beach Model Number:Hls001 and Hls003 Steel Torsion bar with coating:35×35×1.2mm Alu. Roller:Φ60/68/70×1.2mm Alu. big arm with powder coated:58.2×28.