This item has only been used a couple of times so it is still factory sharp. The clear plastic device is used to hold vegetables and fruits to protect your fingers. Here is the description from the Amazon website, where it costs $70: Stainless Steel Black & Stainless Steel Soft-Grip Handle Weight 0.31 Kilograms A versatile slicer that juliennes and offers 3 slicing thicknesses Creates long even "matchstick" strips Conveniently store the julienne blade on the back of the unit to keep it out of the way when not in use Stainless steel frame for superior durability Ergonomically designed soft-touch handle matches back to the gourmet series