Product details:

The Greenlee 28160 SC Conduit Punch (1-1/4") is part of Greenlee's premium collection of tools and accessories. This Slug-Splitter self-centering knockout punch has a capacity up through 10-gauge stainless steel. This punch aligns itself on the pilot hole, with no need to draw crosshairs line up die alignment marks. It has a unique profile that splits the slug for easy removal, and a heavy-duty construction that gives you longer-lasting durability.