You want you're vegetables chopped up faster instead of cutting them up with knife especially if you got a lot to cut up than the nutri slicer is your way to get it done The slicer cones with Three different changeable blade's the slicer blade , The shredded blade, The grate blade if you making salad you can grade up cheese slice up cucumbers by changing the blade's fast be done quick especially making a big dinner or something for the game day and you can wash The entire slicer instead of certain parts that can't come off don't have to worry about plugging it in because everything is done by hand power .