This knockout punch makes a clean 32mm hole in most metals, including stainless steel brewpots Perfect for punching a hole for the KegLand Heating Element.
To use, drill a 10mm wide pilot hole with a step drill or drill bit (not included). Place the bolt through the hole and thread the die and the punch together. Use a wrench to tighten the bolt until you hear a click sound, which means the hole has been cut. Remove assembly and discard slug.