Ateco 660 Cannoli Kit 4/Set. Create the perfect cannoli with this Ateco 660 4-piece cannoli form set. Great for any bakery, cafe, or restaurant, this kit contains four 5 5/8″ long, 7/8″ diameter cannoli forms, as well as an authentic recipe for the delicious pastry. The forms are made of durable stainless steel and capable of withstanding temperatures up to 400 degrees Fahrenheit.