Punch channel legs and other structural shapes Use standard punch holder and material stripper Punch close to material web with offset dies Mounts in place of standard die block Die is flush with front of channel die block Designed to punch a hole in the leg of a 3" through 6" standard weight channel Designed to punch a hole in the web of a 4" through 6" standard weight channel 50 ton punching capacity for all models Uses urethane punch attachment (P-50, P-65, P-90, P-110 and P-140) Note: The machine stroke control must be used with this option.