your product : 23-161

Quick Learner from Port St. Lucie , FL
What is the opening size of the where the Top mounting bracket piece goes into?
We have an old ACME roller guide , and the new ones that we have seen the opening
is much smaller.
2 Replies
Emily
Emily from SWISCO
SWISCO
Expert

Thank you for contacting us. The measurement for that is 13/16" I hope this helps. Good luck with the repair and let us know if you have any other questions! 

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