A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, pageBreak } from '@wordpress/icons';
<Icon icon={pageBreak} />
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M17.5 9V6a2 2 0 0 0-2-2h-7a2 2 0 0 0-2 2v3H8V6a.5.5 0 0 1 .5-.5h7a.5.5 0 0 1 .5.5v3h1.5Zm0 6.5V18a2 2 0 0 1-2 2h-7a2 2 0 0 1-2-2v-2.5H8V18a.5.5 0 0 0 .5.5h7a.5.5 0 0 0 .5-.5v-2.5h1.5ZM4 13h16v-1.5H4V13Z"></path></svg>
pageBreak – WordPress Icon Library