Milwaukee m18 chiwf12 fuel is a high torque impact wrench that delivers superior performance with up to 950nm max fastening torque and up to 1491nm nut busting torque with a brushless powerstate motor that provides increased life and up to 20 more power it has a 12in square drive friction ring for secure socket retention redlink plus intelligence system delivers the most advance digital overload protection for tool and battery and enhances the tool performance even under load the milwaukee dr