Galvanised Backing Ring
8011213804 1/2" 9.53 8011213805 3/4" 9.82 8011213806 1" 11.00 8011213807 11/4" 11.24 8011213808 11/2" 14.72 8011213809 2" 19.58 8011213810 21/2" 26.90 8011213811 3" 29.76 8011213812 4" 38.55 8011213814 6" 63.53 8011213897 8" 87.03