Heavy-Duty Frame: Built with cast aluminum or stainless steel for stability during use.Lever-Action Handle: Uses mechanical leverage to push vegetables through the blades with minimal effort.Interchangeable Blades: Typically accommodates grid blades of different sizes (e.g., 1/4-inch, 3/8-inch, or 1/2-inch).Versatile Use: Works for potatoes, carrots, cucumbers, onions, and other firm vegetables.