Malco GOT3 Gutter Outlet Tool, 3x3" (80mmx80mm). This gutter outlet tool is specifically designed for punching rectangular outlet holes in metal gutter. It gives you faster, more precise cuts that ensure the gutter drops and downspout always fit flush. It has ample throat clearance and open sides that allow access over the front or back edge of the gutter to quickly line up cuts, and a powerful threaded drive combined with a smoot-cutting, angled punch blade that requires only moderate force and a steady turning motion. It's high-carbon steel blade ensures a long lasting cutting edge, and is resharpenable.