Channel guide for the 39-138 & 39-139 operator

A quick learner says:
August 14, 2011
Which is the right channel guide to go with the 39-138 and 39-139?
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
August 17, 2011
Thanks for posting.

These operators have the thin metal bearing on the end, which will require you to use tracks such as the 39-504, 39-512 and the 39-520.
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 4-7 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at 856-317-6263 or at help@swisco.com.