Specifications: 1. Torsion spring mechanism 2. U-shaped end support bracket 3. Top profile 4. Vertical track 5. Support with roller and roller holder 6. Vertical angle 7. Side cap 8. Spring safety device 9. Universal mounting bracket for horizontal tracks 10. Top support bracket 11. Top sealer 12. Hinge 13. Sandwich panel 14. Latch lock (optional) 15. Bottom bracket 16. Bottom profile with weather seal 17. Handle