| Models | Free speed | Output Hex Size | Torque range |
| rpm | in | nM | |
| SC021-L2200-S45A4S | 2200 | 1/4 | 0.4-2.1 |
| SC021-L1500-S45A4S | 1500 | 1/4 | 0.4-2.1 |
| SC043-L1050-S45A4S | 1050 | 1/4 | 0.4-4.3 |
| SC047-L520-S45A4S | 520 | 1/4 | 0.4-4.7 |
| Description | SC021-L2200-S45A4S | |
| Part No | 1459574 | |
| Free Speed | rpm | 2200 |
| Output | 1/4in sq | |
| Torque Range | Nm | 0.4-2.1 |
| Torque Range | in.lb | 3.5-18.6 |
| Fitted Spring | Nm | 0.4-0.9 |
| Fitted Spring | in.lb | 3.5-7.9 |
| Length | mm | 339 |
| Length | in | 13.3 |
| Height of head | mm | - |
| Height of head | in | - |
| Weight | Kg | 0.85 |
| Weight | lb | 1.87 |
| Air Flow | l/s | 6.5 |
| Air Flow | cfm | 13.8 |
| Air Hose Bore | mm | 6 |
| Air Hose Bore | in | 1/4 |
| Air Inlet | in | 1/8 |
| Sound Level | dB (A) | 73 |
| Vibration | <2.5 | |
| Comment | Two Way |