Black and decker lids off. Model JW200. Never used without box. fit almost any size jar. With the touch of a button, it loosens even the most stubborn lid. It saves you time and energy letting you get on with more important things. Takes the struggle out of your hands at the touch of a button. It's simple, quick and super-convenient to use the Lids Off Automatic Jar Opener, just life the handle and place a jar on the turntable