Product and Service  
 Cementing Tools 
 Centalizers
        1. One piece, high strength.
2. Fixed by Allen screws to provide superior holding force.
| 
				 Casing Size  | 
			
				 I.D.  | 
			
				 O.D.  | 
		||
| 
				 in.  | 
			
				 mm  | 
			
				 in.  | 
			
				 mm  | 
			
				 in.  | 
		
| 
				 13-3/8  | 
			
				 343.5  | 
			
				 13.524  | 
			
				 358.5  | 
			
				 14.114  | 
		
| 
				 10-3/4  | 
			
				 276  | 
			
				 10.866  | 
			
				 291.5  | 
			
				 11.476  | 
		
| 
				 9-5/8  | 
			
				 247  | 
			
				 9.724  | 
			
				 262.5  | 
			
				 10.335  | 
		
| 
				 8-1/8  | 
			
				 209  | 
			
				 8.228  | 
			
				 223  | 
			
				 8.780  | 
		
| 
				 7-5/8  | 
			
				 198  | 
			
				 7.795  | 
			
				 211  | 
			
				 8.307  | 
		
| 
				 7  | 
			
				 181  | 
			
				 7.126  | 
			
				 195  | 
			
				 7.677  | 
		
| 
				 5-1/2  | 
			
				 143  | 
			
				 5.630  | 
			
				 157  | 
			
				 6.181  | 
		
| 
				 5  | 
			
				 130  | 
			
				 5.118  | 
			
				 144  | 
			
				 5.669  | 
		
| 
				 4-1/2  | 
			
				 117  | 
			
				 4.606  | 
			
				 130  | 
			
				 5.118  |