Knockout Tool Kit Voltage 18V DC For Maximum Stainless Steel Thickness 12 ga For Maximum Steel Thickness 10 ga Punching Capacity in Mild Steel 4 in Punching Capacity in Stainless Steel 2 in Dies Included Dies Not Included Battery Capacity (1) 2 Ah Maximum Punching Pressure 7 ton Number of Batteries Included 1 Cordless Tool Kit Contents (1) Bare Tool (1) Battery (1) Charger Brushless Motor No Charger Included Yes Power Source Cordless