Using your Milwaukee 2461 - 20 Impact Wrench is easy. First, make sure the battery is fully charged. You can check the remaining runtime on the on - board battery fuel gauge. To start, simply hold the tool firmly by the new, slim grip. This grip is designed for your comfort and better control. Insert the appropriate fastener into the 1/4 - inch square anvil with a friction ring. Then, pull the trigger. The tool can reach up to 450 in - lbs of torque, which is great for small fasteners. It also has an LED light to help you see in dark spaces. When not in use, you can attach the tool to your belt using the included belt clip. As for maintenance, keep the tool clean. After each use, wipe it down with a dry cloth. Periodically, check the forged steel impact mechanism for any signs of wear. The tool comes with a 5 - year warranty, but following these simple steps will help keep it in great shape for a long time.