With the YOUWE12v ratchet wrench, tightening and loosening nuts and bolts becomes a breeze. It tightens and loosens nuts and bolts more effectively than a manual ratchet wrench. When your battery is dead, you can even use this ratchet wrench as a regular manual ratchet wrench. Thanks to the compact design and low-profile head, you can tighten and loosen nuts and bolts in hard-to-reach places. The 12V ratchet wrench is the perfect tool for tightening and loosening bolts and nuts, such as when you are assembling furniture or repairing a car engine in the garage.