The makita tw007g is a cordless brushless impact wrench powered by a 40v max xgt li-ion battery. Variable speed controlled by trigger, to deliver up to 2,900ipm, 2,300 rpm, 760nm maximum tightening torque and 1,100 nm nut busting torque for a wide range of applications. It is equipped with a convenient 1 2 square driving shank and socket can be fixed with a c-ring. This impact wrench also features both forward and reverse rotation modes. Features & benefits auto-stop system brushless motor electric brake electronic 4 stage impact power selection ergonomic soft grip forward reverse rotation trigger switch with full speed mode twin led job light variable speed control by trigger specifications battery voltage: 40v battery type: xgt li-ion driving shank: 1 2 square c-ring high strength bolt grade 10.9 : M10-m16 high strength bolt grade f10t : m12-m16 max fastening torque: 760nm nut busting torque: 1,100nm standard bolt: m10-m24 no load speed max hard med soft : 0-2,300 0-1,900 0-1,200 0-600rpm blows per minute max : 0-2,900ipm blows per minute hi : 0-2,700ipm blows per minute med : 0-1,900ipm blows per minute lo : 0-1,200ipm noise k factor: 3db a noise sound power: 108db a noise sound pressure: 97db a vibration k factor: 1.5M sec vibration: fastening bolt: 19.7M sec contents makita tw007g 40v max xgt cordless brushless impact wrench no batteries no charger makpac case type 3 belt clip