By tightening the wing nut in the center of the adjustable arm, the expandable multi-wheel cutter has a locking mechanism to ensure precise and consistent cutting. Five-wheel size: maximum / minimum tensile elongation (9-1 / 2 inches / 1 inch); wheel diameter: 2-1 / 2 inches; full length: 9-1 / 2 inches. Material: This cutting machine is made of food-grade stainless steel, durable, rust-free, mirror-polished and shiny. Design: The distance between each grinding wheel can be adjusted, the fixed cutting width is different, and the most diverse cutting options can be realized. By tightening the wing nut in the center of the adjustable arm, the cutting wheel can be locked in place, safe and accurate. Versatile: It can evenly slice brownies / chocolate bars to save time on cookies, dough, pizza or cakes and pastries. Extended dough dicing machine: The sturdy design gives 3 rollers a strong strength to accurately and cleanly cut everything from pasta, pastry dough to fudge.