Ground support tube designed to give greater stability to a truss structure. Is fixed to vertical pillars of a truss structure of any type, based on delivery tubes 30 mm in diameter. You can use as many tubes as needed stabilization. End has a tube clamp 30 mm in diameter. At the other end has 115x115x8 mm base, which is going to ground. Ideal for utilizado on stage, stages, stand, speakers, DJ booths, clubs, concerts, such as lighting stands, support structures, etc.