A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, stretchWide } from '@wordpress/icons';
<Icon icon={stretchWide} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M16 5.5H8V4h8v1.5ZM16 20H8v-1.5h8V20ZM5 9h14v6H5V9Z"></path></svg>
stretchWide – WordPress Icon Library