The 3 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) 1.83. Open Height (m) 1.83 Rungs/Treads 3 Material Aluminium. Usage Type Heavy Duty. Warranty 5-Year. Platform Height (m) 0.7. Weight (kg) 16