The Punch Tools Corner Rounders, Corner Radius Punches is the ultimate tool for notching corners in sheet metal with one of 4 outside radii angles (1/2", 3/4", 1", and 1.5" angles).
Quick and easy to use, the Punch Tools Corner Rounders, Corner Radius Punches is not only versitile, but dependable for large-volume work with a single operator.