Boat arch for ribs and boats with an innovative and attractive design made of mirror-polished AISI 316L stainless steel designed to fit virtually any boat with flat deck/fixing point. EVO a-frame consists of 3 parts: 2 laterals and one extension available in different lengths to fit potentially any transom and is supplied with led lights. It has lateral beams in Ø25mm tube and plates to install the navigation instruments. EVO boat tower has a folding system to simplify transport and storage and features at its base the configuration to run cables inside the frame.