The Klein Tools 86526 HVAC Hand Notcher cuts 30-degree V shapes in sheet metal quickly and easily to make corners. The drop-forged, high impact steel jaw with 13/16 in. (2.1 cm) maximum throat depth allows easy notching of corners and take-off tabs without slippage. The Klein Tools 86526 features comfortable, contoured grips that cover hardened steel handles and a convenient self-opening latch for one handed operation. Users are provided with an all-steel construction and nickel-chrome plated hardware provides long life and durability.