| APEX Size | Tendon Type | Tendon Length | Tendon Load Rating |
| APEX 3 | Fibre Tendon (4.77 mm) | 0.9 m or 1.5 m | 600 kg / 1,320 lbs |
| APEX 4 | Fibre Tendon (6.35 mm) | 0.9 m or 1.5 m | 1,500 kg / 3,300 lbs |
| APEX 5 | Fibre Tendon (8.60 mm) | 0.9 m or 1.5 m | 3,000 kg / 6,600 lbs |

