| Model | 301B | 307B |
| Rated Power (hp) | 0.25 | 0.25 |
| Rated Power (kW) | 0.19 | 0.19 |
| Max Free Speed (rpm) | 21000 | 28000 |
| Output | 1/4 in. and 6 mm | 1/4 in. and 6 mm |
| Weight (lbs) | 1.02 | 0.73 |
| Weight (kg) | 0.46 | 0.33 |
| Length (in) | 5.27 | 5.19 |
| Length (mm) | 134 | 132 |
| Air Consumption @ Load (cfm) | 24 | 24 |
| Air Consumption @ Load (L/min) | 680 | 680 |
| Average Air Consumption (cfm) | 6 | 6 |
| Average Air Consumption (L/min) | 170 | 170 |
| Air Inlet Size (in) | 1/4 | 1/4 |
| Exhaust | Front | Front |
| Vibration m/s2 | 4.5 | |
| Min Hose Size (in) | 3/8 | 3/8 |
| Min Hose Size (mm) | 10 | 10 |