Make quick work of chopping onions, nuts and more with the OXO's well-designed, versatile tool. Press the soft knob and the blades rotate for even chopping while an internal bumper absorbs any shock. Ingredients can be chopped in the enclosed cup with its non-slip base, or directly on a cutting board. Easily chops onions, vegetable, nuts and herbs in the included cup or on a chopping board. Press the soft knob to rotate blades for even chopping. Knob locks down for compact storage. Internal soft bumper absorbs shock. Clear cup has measurement markings and storage lid. Tab prevents food from accumulating on cup walls. Blade cartridge removes for easy cleaning. Spoon included for scooping ingredients.