Light Pole Systems 4" HAND HOLE COVER FOR SQUARE POLES (4HHCBS) Universal locking hand hole cover
For 4Ó and larger square poles with a maximum hand hole OD of 3-5/8_ X 6-5/8_.
For 4Ó and larger square poles with a maximum hand hole OD of 3-5/8_ X 6-5/8_.