18 volts of power delivers up to 270Nm of torque for rapid nut attachment and removal Brushless motor provides more power and longer life 3-Speed settings provide complete control and Versatility Clever auto-stop mode automatically tightens nuts to 120Nm (prevent over-tightening) – ideal for cars Part of the Ryobi one+ system over 100 tools powered by one battery, Weight: 3.3730726086 Pounds, Manufacturer: Ryobi