Hole OPENERs

1441-1103-1103-12-04 – SL, H-OPENER, 12”, 4-Cone (12 ¾”), 2 7/8” IF Box x 2 7/8” IF Box, 1441-1104-1104-15-04 – SL, H-OPENER, 15”, 4-Cone (??), 3 ½” IF Box x 3 ½” IF Box