The phot r boom arm is a professional and affordable overhead lighting support which is strong enough to hold most lights with a softbox or large umbrella the arm can extend from 100cm to 185cm and includes a ratcheting pivot clamp handle for easy secure height and angle adjustment providing you with good flexibility in your photo studio or when youre out shooting on location the arm attaches to any light stand with a 58 studspigot light weight and compact and easy to set up and fold