Barkman Fiberglass Alignment Pins
 
 
 
 
 
  
  
  
 
   
 Article code FiberglassPins
  
 
  
 
  
 
  
 
 
 
  
 Use 2 fiberglass pins per Keystone Compac block. For 0.9° batter, use the front hole. For 8° batter, use the back hole. For 4.5° batter, alternate pin locations: back on the first course, front on the second, etc. Alignment pins sold per box of 100.