This staircase is made up with 11 treads in plywood beech varnished (thickness 30 mm) and allows to reach a heoght of 300 cm max. Its width is 64 cm and its spindles, in grey metal lacquered, are adjustable from 19 to 25 cm. Its banister is in grey metal lacquered. In option : landing + metal spindle, extra tread + metal spindle, extra metal banister balustrade (150 cm).