The SunBlaster Universal 5T stand is compatible with all sizes of light fixtures and can be combined with the Universal light hanger to hold up to seven fixtures. Simple O-Ring adjustment makes setting just the right height quick and easy, so achieving the optimum distance from the plant canopy is now a breeze. The sturdy light stands are made of durable high quality injection molded plastic and rust free powder coated aluminum to provide years of reliable and dependable performance. Stand comes with one sturdy 1020 growing tray. Does not include light fixture; fixtures sold separately.