Skillbuildersä Floor Sitter & Wedge Medium Scales Chrome plated steel weight cart 4012SC Chrome plated steel weight cart holds over 600 Lbs of disc weights with plenty of room for accessories in a convenient storage compartment * Four 4 swivel casters and two 4 non swivel casters * Push handles for easy maneuvering * 16 W x 42 Comes complete with two sound heads that can be plugged in simultaneously for more targeted therapy * Simple to operate the user can switch between wands with the single push of a button * Comes complete with two sound heads 1 cm2 and 5 cm2 for more targeted therapy * Used for the treatment of chronic and acute muscular pain * User can switch between dual sound heads with the push of a single button * Fully functional 1 MHz and 3 MHz frequencies * 20 user defined presets with pulsed and continuous therapy * Ergonomic handle design * Two year warranty * Feeder seat and floor sitter wedge * Seat is secured to wedge with velcro * Adjust from upright to reclining position *