Specifications
| Ring stiffness: | Body weight: |
|---|---|
| 0 | 88 - 104 lbs (40 - 47 kg) |
| 1 | 105 - 121 lbs (48 - 55 kg) |
| 2 | 122 - 143 lbs (55 - 65 kg) |
| 3 | 144 - 165 lbs (66 - 75 kg) |
| 4 | 166 - 192 lbs (76 - 87 kg) |
| 5 | 193 - 220 lbs (88 - 100 kg) |
| 6 | 221 - 247 lbs (101 - 112 kg) |
| 7 | 248 - 276 lbs (113 - 125 kg) |
| 8 | 277 - 302 lbs (126 - 137 kg) |
| 9 | 303 - 330 lbs (138 - 150 kg) |