This Savannah One Hand Smart Slicer will cut exact 5mm or 10mm slices for precise & uniform sizing across your dishes. It will effortlessly slice through strawberries, shallots, mushrooms, cherry tomatoes, boiled eggs & more. Made with sharp serrated Japanese blades, this smart slicer is easy to use. Simply press down & your food slices through the blades without squashing. Designed with a patented roll-lock system, this slicer open & closes with a 'click open' & 'roll close' mechanism.