FROM THE MANUFACTURER The Qual-craft side wall carpenter's (staging) bracket is a sturdy, steel constructed bracket that bolts through walls with adjustment for wall thickness. The Staging Bracket can create and supports up to a 36 inch platform, constructed of 2 inch thick planks, around the perimeter of a work wall. The side wall carpenter's (staging) bracket holds 2 workers plus 75 pounds per 8 foot staging. (No more than 8 ft. span between brackets.) You must use guard rails when installed over 6 feet above ground. This unit folds for conpact storage and transportation.