· Supporting structure. Made of metal and enclosed in a central column made with birch plywood panels with Canaletto walnut veneer. · Top. In birch plywood covered with a double layer of Canaletto walnut refined in the lower part to act as a counterbalance. Crowned with a circular rotating surface made from MDF and covered in leather or saddle-leather. · Intermediate shelves. Birch plywood with solid Canaletto walnut inserts. The finish consists of a double Canaletto walnut veneer refined in the lower part to act as a counterbalance. Furnished with grooves which act as rails for housing the dividing panels. · Dividing panels. In birch plywood with Canaletto walnut veneer and solid · Standard accessories. The bookcase comes with 21 dividing panels that can positioned as desired, 7 for each level. · Base. Circular black painted steel. · Swivel mechanism. Consists of two self-lubricating bushings which allow the independent rotation of the base with the bookcase shelves and the swivel · Aesthetic details. The bookcase is enriched with the Poltrona Frau logo, laser engraved at the centre of the upper column. · Maximum load. The weight must not exceed 30kg for each shelf. The swivel upper top has a maximum load of 5 kg. · Dividing panel kit. Consists of 3 dividing panels.