OMP AA/104P/... series roll cages are made from FE45 steel. They are bolt in and come with a pair of door bars that need to be cut to measure and welded upon installation. One diagonal rear bar. Supplied in two halves with front and rear sections. They include feet brackets to weld onto the chassis floor but do not include any fitting bolts. Supplied in bare metal ready to be painted. Includes all homologation paperwork if applicable.