| OUTTER DIAMETER OF CASING TUBE(mm) | INNER DIAMETER OF CASING TUBE(mm) | RETRACTED DIAMETER(mm) | DIAMETER IN REAMING (mm) | MATHCHED HAMMERS |
| Φ108 | Φ93 | Φ85 | Φ118 | TH79 |
| Φ114 | Φ100 | Φ90 | Φ125 | TH79 |
| Φ120 | Φ110 | Φ100 | Φ127 | TH79 |
| Φ127 | Φ110 | Φ100 | Φ138 | TH79 |
| Φ140 | Φ121 | Φ103 | Φ153 | TH98 |
| Φ146 | Φ125 | Φ115 | Φ157 | TH98 |
| Φ168 | Φ148 | Φ138 | Φ182 | TH122 |
| Φ190 | Φ156 | Φ165 | Φ209 | TH139 |
| Φ219 | Φ196 | Φ185 | Φ237 | TH139,TH180 |
| Φ219 | Φ203 | Φ193 | Φ242 | TH139,TH180 |
| Φ245 | Φ222 | Φ208 | Φ262 | TH180 |
| Φ273 | Φ257 | Φ239 | Φ308 | TH180,TH220 |
| Φ325 | Φ296 | Φ280 | Φ361 | TH180,TH220 |

