Very compact but very sturdy steel truss, section 150. The steel tubes each have a diameter of 20mm and are galvanized to create a beautiful, shiny silver look. Perfect for mobile applications (DJ Light bridge). Also very nice as an elegant support for attaching PAR16/20/30/36 projectors in modern interiors. Maximum allowable span: 6m Maximum distributed load: 250kg at maximum 3m span 80kg at maximum 6m span Maximum point load: 120kg at maximum 3m span 50kg at max 6m span Length = 1.5 m Comes with couplers included.