This tower rolls through a 30in. doorway and takes up only 6ft.in height. The 6ft. wide x 29in. deep work area provides a stable, safe and spacious work surface, enabling better quality of work and productivity. This professional grade scaffolding, for use in interior or exterior applications is designed to endure everyday use around a construction site. The tower assembles in minutes. The platform height is easily adjustable from 1ft. to 6ft. in 2in. increments with a maximum standing height of 6ft. Designed for safety, this unit features ribbon non-slip ladder rungs and heavy-duty 5in. casters that are 1-1/2in. wide with industrial steel yokes and brakes. Additional scaffold may be purchased and stacked onto this unit to provide heights of 12ft. or a maxium of 18ft. when used with the proper outriggers and guardrail set.