 Product and Service
 Product and Service   Cementing Tools
 Cementing Tools  Centalizers
 Centalizers
        1. Protects casing from electrochemical corrosion.
2. Lower coefficient of fraction than steel and aluminum centralizers, providing easier casing running and rotation.
3. Can be run in vertical, highly-deviated and horizontal wells.
| Casing Size | Hole Size | Max O.D. | |
| in. | in. | mm | in. | 
| 4-1/2 | 5-7/8 | 146 | 5.748 | 
| 5-1/2 | 8-1/2 | 210 | 8.268 | 
| 7 | 8-1/2 | 210 | 8.268 | 
| 7-5/8 | 9-1/2 | 233 | 9.173 |