MATERIAL: The Jumbo Benriner Japanese Mandolin Slicer is made from a sturdy plastic, with high quality, ultra-sharp stainless-steel blades REPLACEABLE BLADE: Extra-sharp stainless steel blade can be removed from the Jumbo Benriner for sharpening or replacement once dull ADJUSTABLE THICKNESS: Cut your vegetables to any thickness between 0.5mm - 9mm using the easy-to-adjust screws on either side of the blade THE FIRST CHOICE mandolin slicer for most chefs in the food industry, now in an extra large size for preparing even bigger vegetables SIZE: 38cm x 16.5cm x 5cm Quality item manufactured in Japan .