Strong spun-rung 3 tread platform step that is light & easy to handle. Ideal for offices & areas with restricted storage space. Closed Height (m) 1.29. Open Height (m) 1.29 Rungs/ Treads 3 Material Aluminium. Usage Type Medium Duty. Warranty 3-Year. Standard EN131. Platform Height (m) 0.56. Weight (kg) 4