The Karina prefabricated kit staircases of the Fontanot Arkè line are made with painted steel supports and black finishes. Characterised by appropriately shaped and staggeredsolid beechwood treads, the staircase guarantees an excellent compromise between functionality and the space available. The supplementary balustrade is available in three versions: with black polyurethane handrail and black finishes, with wood-effect PVC or solid beech handrail with black finishes for black staircases and grey finishes for grey and white staircases. Karinais easy to assemble and adjustable in height and purchasing some extra items can be as high as 329 cm.