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• Does it have variable speed settings for different applications?
  

  Yes, it does have variable speed settings（0-1800RPM/0-2600RPM/0-3300RPM）. The impact wrench features a variable speed trigger that allows you to adjust the power output in real time.
  

  
  

• What should I do if it just doesn’t work right?
  

  If you’re having trouble, start by making sure the battery is fully charged, you’re using a snug-fitting impact socket, and the nut isn’t rusted or over-tightened. If it’s still not working, let us know —can replace it if needed.
  

  
  

• I tried to use this wrench to tighten the nut of the car, but it didn't come off. Why?
  

  1. Choose the right gear to ensure maximum impact force
  

  2. Press the wrench hard against the nut to ensure that the impact force is transmitted directly
  

  3. Avoid tilting the impact wrench (angle > 10° will greatly reduce efficiency).
  

  
  

• What can I use the 900N·m Impact Wrench for?
  

  It’s perfect for changing car, SUV, and truck tires, building decks, fixing fences, maintaining farm equipment, repairing trailers, assembling metal frames, and performing DIY home repairs. A versatile tool for any job.
  

  
  

• How to operate this 900N.m impact wrench correctly?
  

  1. Check the socket
  

  2. Install the battery
  

  3. Check whether the nut is rusted. If rusted, spray the loosening agent first
  

  4. Switch to the required gear speed
  

  5. Tighten the nut vertically
  

  
  

• 【900N·m Torque Impact Wrench– Up to 90% More Efficient】Say goodbye to exhausting manual labor. This cordless impact wrench delivers a massive 665 ft-lbs (900N·m) of max torque, making it a powerhouse for removing stubborn bolts, lug nuts, and rusted fasteners with ease. Compared to traditional manual wrench, it boosts work efficiency by up to 90%, saving you time and effort on every task. Whether you're tackling automotive repairs, construction jobs, or heavy-duty maintenance, this impact wrench ensures faster, smoother, and more reliable performance
• 【Powerful Brushless Motor - Up to 3300RPM】- 1/2-inch cordless impact wrench is faster and more convenient to use - with 3 speed modes (0-1800RPM/0-2600RPM/0-3300RPM). Compared with traditional motors, it is quieter, spark free, easier to use, and can extend the running time by up to 60.5%. It is also suitable for female and elderly users and is undoubtedly a professional tool in the workplaceusers and is undoubtedly a professional tool in the workplace
• 【2x 4.0Ah Batteries & Fast Charger - Work More Efficiently】- The rechargeable compact wrench is equipped with 2 x 4.0Ah battery pack, (21V battery contains 10 pieces) which allows the wrench to work for a long time, and is equipped with a charger that fully charges in 90 minutes, allowing you to work easily
• 【3 in 1 Multifunctional Upgraded Impact Wrench - Widely Used】- The 1/2 inch impact Drill set comes with a socket and screwdriver, which can be used not only as a impact gun, but also for tightening or loosening bolts on cars and motorcycles, doors or walls, scaffolding installation, and garage use. It can also be used for furniture assembly and DIY wooden work. This electric wrench combines an electric impact drill and an electric screwdriver to achieve a 3 in 1 drilling/twisting/pulling multifunctional impact gun, making it suitable for various working situations
• 【 Bi-directional Braking Stop & Built-in LED light - Easy to Use】- The portable impact wrench can be combined with two controls: lock protection, forward and backward modes. The process of tightening and loosening the screw can be easily completed, and the combination of the two modes is convenient for you in any situation; And the built-in bright LED improves visibility, making it a convenient tool for quickly and easily disassembling bolts and nuts in narrow and dark spaces