详情 • Built-in interchangeable carbon brush motor. • Variable speed, reversible switch and electric brake. • Built-in LED light for working under low light environment. • Contents: Professional socket: 17, 19, 21mm. 4.0Ah Li-ion battery - 1 pc. 2.0Ah Li-ion battery - 1 pc. Battery charger. • Voltage: DC 18V • Unload speed: 0-2000 RPM • Shaft: 1/2" Square drive • Torque: 300Nm / 2655 lbs (5 seconds - Forward mode) 500Nm / 4425 lbs (10 seconds - Forward mode) • Max torque: 850Nm / 7523 lbs (Reverse mode) • Weight: 2652g (with 4.0Ah battery)