The 5 tread Midi Work Platforms provides the user with a high handrail incorporating a clip on chain 'gate', which completes the full surrounding guardrail system. Folds flat for easy transport and distribution, fabricated from industrial channel section aluminium. >The top tread has aluminium checker plate to give plenty of grip. Closed Height (m) 2.34. Open Height (m) 2.34 Rungs/Treads 5 Material Aluminium. Usage Type Heavy Duty. Warranty 5-Year. Platform Height (m) 1.17. Weight (kg) 18.5