Lauren from SWISCO responded:
March 6, 2023
Hello, thank you for posting, At first sight your guide appears to resemble the 10-139, but I cannot confirm while installed. Please review the style and dimensions to see what you think! Let us know if if you have any additional questions. Alternate image for 10-139
Profile view of 10-139
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Tom from SWISCO responded:
March 13, 2023
I believe it is optional, yes. If you find that you do need a spacer to properly install this guide then you can always use a couple washers. I've done it myself and find that it works well. |