SPECIFICATIONS: Compact 125mm Head Length | 406Nm of Fastening Torque | 610Nm of Breakaway Torque | Brushless Motor | 4 Mode Switch for Accurate Application Control | 1/2? Anvil with Hog Ring | Voltage: 18V | No Load Speed: 0-2500 RPM | Impacts Per Minute: 0-3550 IPM | Max. Torque: 406 Nm | Breakaway Torque: 610 Nm | Power Source: Cordless | Battery included