Engraved crosshairs for clearest alignment with pre-drawn crosshairsLarge size markings for easy identificationRated for both mild and stainless steel punchingQuick connect alignment system allows for the easiest set-up and speeds up repetitive punchingDesigned for optimal set-up and slug removal speedGripping surface for faster threadingDie laser engraved crosshairs for clearest alignment and a large size ID, punch tooth geometry splits the slug10 ga mild steel, 12 ga stainless steel capacityPunches 3/4 in conduit holes in both mild and stainless steel