2025 Lib Tech - E Jack Knife Size Chart
| Size | Contact Length | Sidecut | Nose/Tail Width | Waist Width | Stance (in) | Setback (in) | Weight (kg) |
| 154 | 110.0 | 8.0 | 29.9/29.1 | 25.1 | 20.25-25.0 | 1 | 55+ |
| 157 | 112.0 | 8.0 | 30.1/29.3 | 25.3 | 20.25-25.0 | 1 | 60+ |
| 159 | 114.0 | 8.0 | 30.2/29.4 | 25.4 | 20.25-25.0 | 1 | 65+ |
| 159 Wide | 114.0 | 8.0 | 31.2/30.4 | 26.4 | 20.25-25.0 | 1 | 70+ |
| 162 Wide | 117.0 | 8.0 | 31.7/30.6 | 26.5 | 20.25-25.0 | 1 | 70+ |
All measurements in centimetres unless otherwise specified