As a professional, you naturally want to be firmly on the ground and on an increase. You achieve that with the Altrex Sierra SEO. This professional 5-step staircase is lightweight due to the open step profile, despite the robust design. You simply fold the stairs in and out through the self-unlocking hinge system. Put your small tools in the box at the top of the stairs and you keep your hands free during work. You can work up to a height of 3.2 meters at head height of up to 1.2 meters. You do not have to worry about stability, because the sturdy pedestals and the anti-skid profile ensure that. The steps are fastened with pop rivets, so you can quickly replace them if necessary.