Climbing stairs with textile and natural ropes

Emergency stair with double polyester braid 10 mm, white colour, for residential use.
Upper knotted loops to adjust the high; ends with free ropes for the fixing to the ground;
Rungs made by white beechwood, distance of the ropes 40 cm, distance of the rungs 30 cm.
Easily rollable and transportable, suitable for construction sites and for boating.
Lenght from 2 to more than 20 m.