A Vintage Metal Double Blade Food Chopper with a Wooden Handle. The Double Blade Food Chopper was produced in the 1940's. The Blades are made of steel and attached to a wooden handle with a metal brace. The Blades on the Chopper are rounded on the ends. The Chopper stands 5 1/4 inches tall, the blades are 5 1/2 inches long and are 1 3/4 inches apart.