The BOSS multi-tasker heavy duty floor machine gives you 3 interchangeable machine aprons 13, 17, and 21 included and 3 pad drivers 12, 16, and 20 included. The three interchangeable aprons with a single base machine gives you a fleet of floor machines for a range of tasks ranging from stone, carpet, tile, and wood flooring. Machine weights 175 lbs and solution tank included.