Made of high quality stainless steel, durable, never rust and good for your healthy.10 stainless steel prongs will trap and hold your onions strongly - just simply use a sharpknife to get evenly sized slices. Easy to clean:The cutter can easily be washed with a brush. Easy to use, Ergonomic design utilizes leverage to accommodate even unpeeled potato with ease. Non-slip handles - soft, comfortable, non-slip handles absorb pressure while squeezing very comfortable in your hands. This all-in-one kitchen gadget allows you to chop uniform slices of onion without having to ever touch it. See images above. It features ultrasharp stainless steel tines that pierce even the hardest vegetables like carrots & potatoes. Just place your blade between the tines and slice away! Can also holds zucchinis, cucumbers, tomatoes, and other fruits and vegetables of various sizes for slicing, cutting, chopping, or peeling, and can also be a meat cutter! Note: The data are manual measurement, please allow a 1-3cm error, due to the differences between the light and the display, there will be a certain color difference, the specific received in kind prevail.