Click on the following Winegard factory website link to obtain an 8-page Installation & Service Manual in pdf file format for their Sensar (Batwing) RV Antenna. Page 6 is a detailed parts list if you need to order replacement parts from the Winegard factory at their toll free 800-288-8094 phone number.
http://www.winegard.com/kbase/upload/2451808.pdf
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