1/2” / 13 Mm Jacbos Metal Locking Keyless Chuck,High Performance Brushless MotorDual Speed: 0-440/0-2000 RPM. 0-7920/0-39,600 BPM ; 55N.M./490 IN/LBSOptional: 0-600/0-2000 Rpm; 0-9600BPM / 0- 32000 Bpm; 42N.M./370 IN/LBSLED WorklightElectric Brake21 + 1 Torque Clutch SettingsOptional Belt LoopPCB In Battery PackDrill Capacity: 25mm Wood; 10mm Wood