Highlights - 1.Stainless Steel & Aluminum - The commercial vegetable chopper is made of heavy-duty stainless steel and aluminum alloy, durable and corrosion-proof. The service life of the chopper is extended. Food grade 420J2 stainless steel blades ensure health and hygiene. 2.4 Blades Available - The commercial chopper is equipped with four blades 1/2", 3/8", 1/4", a 6-wedge corer, which is sharp and sturdy. Each blade(1/2", 3/8", 1/4") also comes with two spare blades. You can use this cutter