SCHOOL BENCH BJ 230 Bench fixed to the floor. Sidearms made of die-cast aluminium finished with epoxy powder coating, black colour. Sidearms enclose the folding mechanism, which allow the seat pan to fold by gravity. Seat made of beech plywood, 14mm thick, bent moulded and finished with stratified surface, shade to be chosen by the customer. Backrest is made of drilled steel plate. It is fixed to sidearms by means of specific hardware and security nuts. Epoxy powder coating finishing, black colour. Fixing to the floor is achieved by means of some orifices placed at the bottom of sidearms. The rail system that enables the writing tablet to fold is made of die-cast aluminium finished with epoxy powder coating, black colour. The working surface is made of MDF, 14mm thick, finished with stratified surface, shade to be chosen by the customer. Optional magazine rack made of steel rod finished with epoxy powder coating, black colour. Supports at the first row are also made of die-cast aluminium, but with a different shape. The front structure is made with the same steel plate as backrest. 520 min