A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, lockSmall } from '@wordpress/icons';
<Icon icon={lockSmall} />
<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false"><path fill-rule="evenodd" clip-rule="evenodd" d="M15 11h-.2V9c0-1.5-1.2-2.8-2.8-2.8S9.2 7.5 9.2 9v2H9c-.6 0-1 .4-1 1v4c0 .6.4 1 1 1h6c.6 0 1-.4 1-1v-4c0-.6-.4-1-1-1zm-1.8 0h-2.5V9c0-.7.6-1.2 1.2-1.2s1.2.6 1.2 1.2v2z"></path></svg>
lockSmall – WordPress Icon Library