Thanks vett!! A Picture is worth a thousand words...or at least better than the 3 sentences in the installation guide.

Jackie, I was planning on pre-drilling the holes, filling them with epoxy, and then screwing into the epoxy filled holes so when everything cures and sets its all sealed up...but I guess that wouldn't leave me the option of adjusting it if I needed. Am scared to be drilling holes in the boat below waterline, thought about a stern saver but thought it was too pricey for what it is...but I also didn't consider needing to adjust the transducer if I needed...now thinking a stern save block might not be a bad purchase.