Interfit COR757 2 Section Boom Arm use with COR753 Description. The 2m 7 2-Section Boom Arm w Counterweight means that you can extend your light out over your subject. This lets you achieve an over-head lighting effect without light stands cluttering your background. The Boom Arm attaches to your light stand via its locking swivel. It has one telescopic section that
Includes:: a removable 58 stud that can be positioned straight or at a 90 angle from the boom. The included 2. 5kg 5. 5lb adjustable counterweight slides back & forth along the boom arm giving you added balance & stability when using heavier lights & modifiers. This boom & counterweight is ideal for small to medium studio flashes with modifiers.