Edwards Coper Notcher - 2013 Ironworkers and older 55T Ironworker AC1014-SNotch with Versatility: Coper Notcher tooling, also known as a Nibbler, creates anything from a small nibble to a large notch out of plate or angle. Our three sizes of Coper Notchers are designed to uniquely maximize the capacity and utility of each Ironworker. When versatility is key, our Coper Notcher is indispensable. The Coper Notcher is standard on 50 Ton, 60 Ton, 65 Ton, 75 Ton, 100 Ton Deluxe, 120 Ton and ELITE 110 65 Ironworkers. See your