The classic boat arch with the straight shape to fit boats and ribs made of mirror-polished AISI 316L stainless steel, designed to fit virtually any boat with flat deck/fixing point area. Every boat a-frame of the series 1999 consists of 3 parts: 2 laterals and one extension available in different lengths to fit potentially any transom and is supplied with totally closed light supports to protect and hide the wire connections and pre-punched light support plates to install different light models. It has lateral beams in Ø25mm tube and plates to install the navigation instruments. Each tower of the range 1999 has a folding system to simplify transport and storage and features at its base the configuration to run cables inside the frame; handles are available in the PRO model.