| Description | CP 4123 2R Hammer | |
| Part no | 8900 0001 04 | |
| Weight | Kg | 6 |
| Weight | lb | 13 |
| Length | mm | 327 |
| Length | inch | 12.875 |
| Chuck size | mm | 17.3 |
| Chuck size | inch | 0.68 |
| Air consumption | l/s | 11.5 |
| Air consumption | cfm | 25 |
| Air inlet | inch | 3/8 |
| Stroke | mm | 51 |
| Stroke | inch | 2 |
| Blows per minute | 2400 | |
| Retainer type | US standard (with spring) | |
| Muffler incl. | - | |
| Handle type | Open handle - outside trigger | |
| Comments | Old name was CP 4123 PYRA |