Aluminum Rail Pocket Door Hardware, Pre-Assembled, 1 Piece Header System For Doors From 3/4" To 1-3/4" Thick, From 2' To 3' Wide, Up To 6' 8" High & Up To 125 LB Each, Each Set Includes Steel Studs, Header Assembly, Door Guides, 4 Wheel Hangers, Door Bumper, Door Brackets, Hanger Locks, Rail Brackets, Top Stud Brackets, Floor Stud Brackets & Screws.