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Old 06-04-2009 | 09:41 PM
  #764  
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air8
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The Dynamite plugs measure out to a bit over 3/16" You can see in the picture. The Dynamite plugs also have "R4" stamped on the side. I'm not sure who makes them but I think I've seen the "R4" before. Here's a couple pics. Might help.
Attached Thumbnails Click image for larger version Name: Dynamite plug measure.jpg Views: 101 Size: 106.4 KB ID: 461364   Click image for larger version Name: Dynamite plug measure(2).jpg Views: 103 Size: 86.8 KB ID: 461365  
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