Whats not to understand Henry? Post your question and I'll try to answer it. You can also do a search at the Excal forum. I have posted and PMed(I think) you about this. Do a search at the Excal forum and AT. I did a search and found the link below. If this doesn't help post away until you are clear. When you are asking info its better that you post because I may missunderstand and another may explain it better or understand it better. Either was please read, search and read and post if there are anymore questions.


http://www.excaliburcrossbow.com/phpBB2/viewtopic.php?t=14083&highlight=types+strings