M12 FUEL Impact Ratchet — 1/2″ Drive, 81 Nm, Brushless, Compact 291mm
Part No: M12FIR12-0 | Barcode: 4892210157263
12V FUEL brushless impact ratchet with 1/2-inch drive delivering 81 Nm of fastening torque at 175 RPM. At just 291 mm long with a low-profile head, it reaches into engine bays, suspension assemblies and tight mechanical spaces where pneumatic ratchets and air hoses cannot follow.
Suitable Applications
Key Features & Benefits
- 81 Nm maximum torque — enough power to run down and snug 1/2-inch fasteners in automotive, mechanical and assembly applications without switching to an impact wrench.
- FUEL brushless motor — delivers up to two times longer motor life than brushed alternatives, with consistent torque output throughout the battery charge cycle.
- 1/2-inch square drive — accepts standard 1/2″ impact sockets directly, matching the most common socket set size for automotive and heavy mechanical work.
- Compact 291 mm length — fits into confined spaces between components, making it practical for underbonnet work, suspension assemblies and tight flanges.
- Low-profile head design — the slim ratchet head slides into narrow gaps between bolts and surrounding bodywork where bulkier tools cannot reach.
- Variable-speed metal trigger — feather the trigger for slow, controlled run-down on delicate fasteners, or pull through for full-speed tightening.
- Built-in LED work light — illuminates the fastener directly ahead of the ratchet head so you can see what you are doing in dark engine bays and under vehicles.
- On-board fuel gauge — check remaining battery life at a glance without stopping work to find the charger.
- REDLINK PLUS intelligence — electronic protection system prevents overloading, overheating and over-discharging to extend tool and battery life.
When to Use This Ratchet
Product Specifications
| Part No. | Drive | Torque | Speed | Motor | Features |
|---|---|---|---|---|---|
| M12FIR12-0 ★ | 1/2″ | 81 Nm | 175 RPM | FUEL Brushless | Compact 291mm, LED, fuel gauge |
| M12FIR38-0 | 3/8″ | — | — | FUEL Brushless | Standard length |
| M12FIR38LR-O | 3/8″ | — | — | FUEL Brushless | Long reach |
| M12FHIR38LR0 | 3/8″ | — | — | FUEL Brushless | High-speed long reach |
| M12IR-0 | 3/8″ | — | — | Brushed | Entry-level ratchet |
| M12FPTR-0 | 3/8″ | — | — | FUEL Brushless | Pass-thru INSIDER |
★ You are viewing the highlighted variant. Other models in this series are also available.








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