Airmar B75 High 20 Degree CHIRP Transducer 8-Pin f/Garmin [B75C-20-H-8G] Canvas Covers Optimist this is the back up

this is the back up plate for the stanchion base

On the spreader

The positive effects include greater stability

Quick Release Pin

Airmar B75 High 20 Degree CHIRP Transducer 8-Pin f/Garmin [B75C-20-H-8G] Canvas Covers Optimist this is the back upB75 High 20 Degree CHIRP Transducer 8 Pin for Garmin Airmars Broadband CHIRP transducers represent the next generation of technology that will allow fishermen to unlock secrets in fishfinding. Echosounder operation away from the traditional 50 kHz and 200 kHz has proven that different fish species return better signals at various frequencies. Airmars Broadband Transducers are capable of operating over a wide (or Broad) frequency band ranging from 25