Use the N1R notcher to make a clean 30 degree V shaped cut in sheet metal. 13/16 in. (20.6 mm) maximum throat depth. Upper cutting jaw is drop forged high impact alloy steel. Hook design of cutting jaw facilitates notching corners or take-off tabs to desired depth without slipping. Long-wearing, hardened stamped steel components feature rust resistant nickel plate and black oxide finishes. Ergonomic Redline Handles with unique one-hand operation latch offer maximum compound leverage performance and natural fit and feel. The handle opening of Malco's REDLINE gripped tools maximizes the powerful leverage of compound head-to-handle linkage while providing a more comfortable operating range for your hand. Ergonomic handle contours with an over-molded, non-slip handle insert assures a natural fit and feel for the way you work. Easy one-hand-operation, including an easy open and close latch motion, always leaves a free hand to steady work piece.