Tipo "00" is a wheat flour typically milled in Italy, where millers grade their flour by using a ‘zero’ rating. A single zero flour is quite coarse in texture, like very powdery semolina, whereas triple zero is much finer like cornstarch. But everyday flour is usually classed as double zero, or ‘00’. Thanks to its versatility it’s the most common flour in the kitchen. Its characteristics it’s ideal for pastry & pasta.