Fine mesh colanders are good for rinsing or draining small-grained foods, such as rice, quinoa, or orzo. ... They're also good for straining solids out of stock or particles out of a liquid, but they can be difficult to clean since the mesh is so fine.
Fine-mesh strainers is a kitchen utensil used to strain foods such as pasta or to rinse vegetables. The perforated nature of the colander allows liquid to drain through while retaining the solids inside. It is sometimes also called a pasta strainer or kitchen sieve. Its great for rinsing rice, washing small quantities of herbs or vegetables, sifting flour or powdered sugar, and straining sauces and blended purees.