Städter Skimmer 14 cm A skimmer is used, as its name suggests, to scoop off foam from boiling food but it is also used to remove cooked food from boiling water or from fat, such as for oil balls. This skimmer from Städter is made of high quality stainless steel. However, the skimmer is also used to remove cooked food from boiling water or fat, such as oil balls. This skimmer from Städter is made of high-quality stainless steel. Suitable for use in the dishwasher.