The N2 Notcher punches a big 1 inch deep "V" notch in common 24 to 28 gauge galvanized sheet metal quickly and easily. Folding and fabricating metal ductwork is easier with the full 1 inch clearance that the N2 single operation notcher provides.
Alloy steel forging with carbon steel shell
A narrower handle opening provides additional user comfort while still allowing a full throat opening