Battery Operation: Cordless impact wrench operates on 12V lithium-ion battery for cordless power. High Torque: 90 ft-lbs of fast and powerful torque for heavy-duty tasks. Compact Size: Compact 3/8 inch square drive fits tight spaces and tight corners. Durable Construction: Made from durable metal with polished finish for long-lasting use. Quick Charging: Fast charging time allows for quick and easy recharging between tasks.