Manufactured in the UK from heavy - duty channel section aluminium - the 12 Tread Industrial Platform Step Ladder is one of our top performers. This step is perfect for ideal for heavy duty use in construction and building sites. UK manufactured to Class 1 BS2037 standards for daily use by all professions that need Class 1 ladders. The 85mm deep treads are wide and with deep grooves with double rivets for extra strength. Hinged metal locking stays prevent twisting and reinforced bracing on the rear stays add greater stability. The step is lightweight to carry and easy to open out and use and it folds quickly away for storage or transport.