The Dupla staircase has steps on both sides 85 mm deep. Built with innovative techniques both for the shape and for the materials used, it is available in seven sizes from 5 to 12 steps.

It is equipped with a practical seat support. The steps are locked to the uprights without the aid of rivets.

The tabs at the base of the uprights, made of nylon and resin, allow the ladder to be kept in axis when closed.

The seat allows you to work with your hands free in safety.