Description
The Mighty Seven M7-NC4255QH is a professional-grade 1/2″ air impact wrench designed for automotive repair, maintenance, and heavy-duty fastening work. It features a lightweight magnesium alloy and composite body, making it easier to handle while still delivering high torque output. A key feature is its patented EZ Grease Anvil, which allows grease to be injected directly through the anvil to the hammer mechanism, helping maintain power and extend tool life.
Key Features
- 1/2″ square drive
- Twin-hammer clutch mechanism
- Lightweight magnesium alloy and composite construction
- Patented EZ Grease Anvil for easier maintenance
- Low operating noise (around 85 dBA)
- Designed for improved durability, torque retention, and longer service life


