Monodex nibbler shears are easier to use in many applications than conventional tinsnips the upward cutting action of the blade cuts through mild steel up to 20 gauge and most non ferrous metals up to 18 gauge thickness cuts without distorting the sheet cutting capacities stainless steel 06mm 22ga 0023in galvanised steel zinc sheet metal 12mm 16ga 0047in copper brass 15mm 15ga 0059in pvc vinyl flooring aluminium 2mm 12ga 0078in polycarbonate 25mm 10ga 0098in perfect for cutting rails and st