Capellini

Capellini (, literally "little hairs") is a very thin variety of Italian pasta, with a diameter between . Like spaghetti, it is rod-shaped, in the form of long strands.
Capelli d'angelo (, literally angel hair—hence, "angel hair pasta" in English) is a thinner variant with a diameter between . It is often sold in a nest-like shape. Capelli d'angelo has been popular in Italy since at least the 14th century. As a very light pasta, it goes well in soups or with seafood or light sauces.