![]()  | 
	
| 
			
			 | 
		#6 | 
| 
			
			 Member 
			
			
			
				
			
			Join Date: Sep 2014 
				Location: Austria 
				
				
					Posts: 1,912
				 
				
				
				
				
				 | 
	
	
	
		
		
			
			 
			
			That was a difficult photo to take, but here it is. 
		
		
		
			The spine is about 4.5 mm thick at the base and the whole blade is strong. Both faces of the blade are hollow (concave) ground with increasing thickness closer to the edge. Last edited by mariusgmioc; 28th July 2017 at 11:14 AM.  | 
| 
		 | 
	
	
	
		
		
		
		
			 
		
		
		
		
		
		
		
			
		
		
		
	 | 
		
  | 
	
		
  |