Tie-rod sleeves (Ferrule Tubes)
	
	
	     
         
	
	     
         
	
		
			
				| Product | Inside | Outside | Meter | 
			
				| Code | Diameter (mm) | Diameter (mm) | Lenghts | 
			
				| C-1-20 | 17 | 20 | 3 | 
			
				| C-1-25 | 22 | 25 | 3 | 
			
				| C-1-30 | 26 | 30 | 3 | 
		
	 
	
		Tie-rod sleeves (Ferrule Tubes) are used to space shutters and
                to recover expensive concrete shutter tie-rods (through ties).
                The inside diameter of the tie-rod sleeve (ferrule tube) needs
                to be at leat 1mm greater than that of the tie-rod (through tie)
                being used to fix the shutter.