Opteka LBS700 Professional Photo/Video Veri-Angle 7-foot Boom Stand Boom Set with Light Stand, Boom Arm and Weight Bag Variable boom arm height and 360 degree angle positioning Boom arm extends from 4-ft (1.22m) to 7-ft (2.1m) and its maximum capacity is 20 lbs Stand extends 3.3ft (1.01m) to 7ft (2.1m) high Quick release locks for easy adjusting the height and length Comes with a weight bag for easy controlling and counterweighing