The largest and heaviest-duty boom currently made by MSE. The Junior Boom measures 68" when fully collapsed and will extend to over 10 feet. The Junior Boom has a 25-pound counter balance weight attached. Extends from 67.5" (172cm) to 120" (300cm) Weight: 41lbs Used and has seen its share of sets, but still works perfectly. Sells new for over $750. Price is firm for cash sale only. Payment apps, price is $400.