Lifeline Model FP-922-ACW7 can be wheeled into place on 16-in. solid rubber wheels and set up on outriggers with up to 600 lbs. of counterweight to arrest 3,600 lbs. of falling force. The unit exceeds both OSHA and ANSI safety standards. Boom height can be adjusted from 19- to 22-ft. Powder-coated frame and armor-coated bolts resist rust. The unit folds to 108 in. for storage.