Oxo Good Grips Hand-Held Mandoline Slicer - Slices cleanly, quickly and safely on a plate or over a bowl. Making a cucumber salad, apple tart or potato gratin? The Hand-Held Mandoline Slicer can help. Slide the thickness adjuster to select slice thickness, secure food to holder and slide over the stainless steel blade for perfect, even slices. The clear surface shows slices accumulating below.