This product is either discontinued or we cannot get that from suppliers.
Brand: Garmin, Model: 010-12371-01, Type: Mount, Colour: Silver, Compatible: Panoptix PS31.
Trolling motor transducer mounting hardware for panoptic PS31 transducers (010-12371-01) by Garmin. Easily attach your panoptic PS31 forward transducer to the shaft or barrel of your boat's trolling motor with this stainless steel mount.