Cooking Equipment, commercial or institutional type, gas or electric, iron or steel, see Note, item 25971, gross shipping weight exceeding 500 pounds each, viz.: Broilers; Cookers or Steamers; Fryers Deep Fryers; Griddles; In crates, or in triplewall fiberboard containers securely fastened to lift truck skids or pallets, subject to Item 170 and having a density in pounds per cubic foot of:

25971: NOTE-Also applies on named articles containing metals other than iron or steel, provided the weight of such metals does not exceed 20 percent of the total weight.