Ductile pike head for 1-1/2" pole: Zico provides a variet of heads and "D" handles to meet the needs of today's fire fighter and others who may require a pole for many applications.. Use 1-1/2" I.D. parts for the "I" Beam pole. Pierce ceilings or walls, turn 90 degrees and pull to remove large pieces of salvage and overhaul. Pat. No. D273,175