PostNord - Change default Weight

functions.php

<?php
/**
 * @snippet       WooCommerce - Set Default Weight per article to 250g (weight is returned in kilograms)
 * @author        Redlight Media AB / Christopher Hedqvist
 * @compatible    WooCommerce 6.0.0
 */
function redlight_postnord_default_weight( $default_weight ) {
  $default_weight = 0.250;
  return $default_weight;
}
add_filter('redlight_wcpns_shipment_product_default_weight', 'redlight_postnord_default_weight' ); 
add_filter('redlight_wcpns_shipment_product_customs_invoice_default_weight', 'redlight_postnord_default_weight' ); 
add_filter('redlight_wcpns_shipment_product_cn22_default_weight', 'redlight_postnord_default_weight' ); 
add_filter('redlight_wcpns_shipment_product_cn23_default_weight', 'redlight_postnord_default_weight' );