A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, rotateLeft } from '@wordpress/icons';
<Icon icon={rotateLeft} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M12 4V2.2L9 4.8l3 2.5V5.5c3.6 0 6.5 2.9 6.5 6.5 0 2.9-1.9 5.3-4.5 6.2v.2l-.1-.2c-.4.1-.7.2-1.1.2l.2 1.5c.3 0 .6-.1 1-.2 3.5-.9 6-4 6-7.7 0-4.4-3.6-8-8-8zm-7.9 7l1.5.2c.1-1.2.5-2.3 1.2-3.2l-1.1-.9C4.8 8.2 4.3 9.6 4.1 11zm1.5 1.8l-1.5.2c.1.7.3 1.4.5 2 .3.7.6 1.3 1 1.8l1.2-.8c-.3-.5-.6-1-.8-1.5s-.4-1.1-.4-1.7zm1.5 5.5c1.1.9 2.4 1.4 3.8 1.6l.2-1.5c-1.1-.1-2.2-.5-3.1-1.2l-.9 1.1z"></path></svg>
rotateLeft – WordPress Icon Library