It is for background support system. Wing nut allows to mount crosbars.
Light Stand max height 44 cm for Backlight. Excelent choice for home and portable studio ligting set.
Wall boom for studio lamps. Adjustment range 70-130cm. Tilt range: +80° / -80°.
Wall boom for studio lamps. Adjusting range: 70-130cm, +/- 90?.