1/2” / 13mm Jacbos Metal Locking Keyless Chuck,High Performance Brushless MotorDual Speed: 0-440/0-1650 RPM; 55N.M./490 IN/LBSOptional: 0-600/0-2000RPM; 42N.M./370 IN/LBSLED WorklightElectric Brake21 + 1 Torque Clutch SettingsOptional Belt LoopPCB In Battery PackDrill Capacity: 25mm Wood; 10mm Wood