Manfrotto 173B 42-Inch Mini Boom Arm (Black)
Add a Mini Boom Arm to your light stand for more capabilities. Booms allow you to hang a light over the subject. Perfect for a hair light or product photography applications.  Arm tube diameters: 20mm.; attachment: type18 + type19; color: black; length: 42.91 in.; material: aluminum; weight: 0.71 lbs.