THE LITTLE EXTRA: The heat diffuser is useful for using your smallest burner with a larger pot or pan COMPOSITION: These two heat diffusers for gas stoves are identical and made of stainless steel, they are foldable for efficient storage DIMENSIONS: Diameter of 20.5 cm, ideal for widening the smallest cooking zone of your gas stove, handle of 18 cm USE: This set of 2 heat diffusers gives you the possibility of cooking on all the cooking zones of the gas stove with pans from 20 cm to 24 cm