 Product and Service
 Product and Service   Cementing Tools
 Cementing Tools  Centalizers
 Centalizers
        1. Available with straight or spiral blades.
2. May be casted with steel or aluminum.
3. Can be run in vertical, highly-deviated and horizontal wells.
| Casing Size | I.D. | Max O.D. | ||
| in. | mm | in. | mm | in. | 
| 13-3/8 | 343 | 13.504 | 400 | 15.748 | 
| 10-3/4 | 276 | 10.866 | 308 | 12.1626 | 
| 9-5/8 | 247 | 9.724 | 308 | 12.1626 | 
| 
					 7-5/8 
					 | 197 | 7.756 | 243 | 9.567 | 
| 7 | 180 | 7.087 | 212 | 8.346 | 
| 5-1/2 | 143 | 5.630 | 213 | 8.386 | 
| 5 | 130 | 5.118 | 151 | 5.945 | 
| 4-1/2 | 117 | 4.606 | 148 | 5.827 | 
| 4 | 104 | 4.094 | 118 | 4.646 |