The only stair in the world patented andadjustable in height, going and rotaion during installation. The stair's characteristics make it easy to assemble and adaptable to any decor, in straight configurations, or with one or two curves. Thetreads and the handrail of the prefabricated stair are in solid beech. Thedetails areblackfor the black stair and grey for the grey and white stairs. Kompact is adjustable in height by buying some supllementary articles, so that it can reach 373 cm in height.