The keepers that come on the Land Pride box blade are a pain to get out when you are trying to do work with and move the shanks up and down.  I saw these on eBay and thought I would give them a try.  They call them F-pins and were $26.74 with shipping for five of them.  Seem to work so far, I will follow up when I get a chance to try them our for real.
Here are a couple pictures to compare what comes on the box blade and what the F-pins look like:
	
	
		
		
	
	
		
			
		
		
	
	
	
		
		
	
	
		
			
		
		
	
And a picture of the F-pin installed:
	
	
		
		
	
	
		
			
		
		
	
	
		
			
		
		
	
								Here are a couple pictures to compare what comes on the box blade and what the F-pins look like:
And a picture of the F-pin installed:
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