A manual chopper, also known as a food chopper or vegetable chopper, is a kitchen tool designed to simplify the process of chopping, dicing, or mincing ingredients. It typically consists of a container or bowl with a sharp blade assembly attached to the lid or a separate chopping mechanism. The manual chopper is operated by manually pressing down on a plunger, turning a handle, or using a pull cord mechanism, depending on the design. This action sets the blades in motion, swiftly chopping the ingredients placed inside the container. The grating surfaces or attachments in a 4-in-1 grater typically include options such as coarse grating, fine grating, slicing, and julienne cuts. These different surfaces or attachments allow you to grate or shred ingredients in various textures, thicknesses, or shapes, depending on your specific needs.