Check this post from 7/27/06 titled "New Look For Less" https://www.crossfireforum.org/forum...ad.php?t=11499

It outlines how to do what this guy is selling. You can do it for under $20 and buy locally. What he may be offering is precut to length strips (all three are a little different) with the ends cut at the proper angles. However he claims he is including an extra strip (which one?) so I think they are just standard lengths that you will have to trim.