Buffalo Tools TOWER3 Three Story Rolling Scaffold Tower Intended for exterior use, Maximum load capacity: 750-Pound., Overall assembled size: 7 ft. L x 5 ft. W x 21 ft., 2-Inch H, Total combined weight: 590-Pound Aluminum walk boards sit up to 17 ft., 10-Inch off the ground Large 7 ft. L x 4-Feet, 9-Inch wide working platform Blue powder coat finish, Heavy-duty 1 5/8-Inch diameter steel construction Meets OSHA and ANSI scaffolding regulations, This unit does not include base plates