| Model | 2135SK | |
| Bolt capacity | M16 | |
| Max Torque (reverse) | ft.-lb. | 625 |
| Max Torque (reverse) | Nm | 848 |
| Working Torque | ft.-lb. | 50-600 |
| Working Torque | Nm | 68-814 |
| Free Speed | rpm | 9.500 |
| Blows per minute | 1250 | |
| Weight | lb | 4 |
| Weight | Kg | 1.8 |
| Length | mm | 186 |
| Air inlet | in | 1/4 |
| Min hose size | mm | 10 |