Staircase made up with 13 treads in plywood beech varnished with a depth of 40 mm adjustable in height (from 17 to 23 cm) and in depth (going of step adjustable from 19,5 Ć  22,5 cm). The banister is made up with grey metal lacquered balusters and the handrail is in massive beech with a diameter of 50 mm. Options: Extra tread kit, landing balustrade (module 140 cm).