Spann-Box Size 1
| Light | Heavy | ||
| Tension force | 1 released spring | 58-32N | 132-60N |
| 2 released springs | 116-64N | 264-120N | |
| 3 released springs | 174-96N | 396-180N | |
| Tension distance | 40 mm | 40 mm |
| Light | Heavy | ||
| Tension force | 1 released spring | 58-32N | 132-60N |
| 2 released springs | 116-64N | 264-120N | |
| 3 released springs | 174-96N | 396-180N | |
| Tension distance | 40 mm | 40 mm |