Mandoline Slicer Veggie Food Chopper

It sounds like you're talking about a 16-in-1 mandoline slicer and veggie food chopper. These kinds of tools are super handy for chopping, slicing, and dicing vegetables quickly and evenly. The "16-in-1" usually refers to the different blade options that let you cut veggies in various shapes and sizes (like julienne, matchstick, thin slices, or thicker cuts).