This "no set-up" adjustable ceramic mandoline slicer produces perfect slices in 4 different thicknesses and is easy to use with a simple turn of a dial on the back to choose your desired thickness. This mandolin slicer is safe with no blades to switch out, has corner notches to secure the slicer on top of bowl and includes a hand guard that holds food securely and protects fingers. The non-corrosive blade is made from advanced ceramic that will stay sharp 10 times longer than a steel blade. Plus, the ceramic blade will not alter the taste or smell of food, offering pure and healthy results. Dishwasher safe.