The versatile Garmin Kayak In-Hull Transducer Mount finally gives kayak anglers the solution theyve wanted. This unique kayak transducer mount fits the Garmin dual-beam transducer (77/200 kHz) and GT20-TM transducer (77/200 kHz/DownV), and boasts compatibility with a wide variety of fishfinder and combo marine devices. The Garmin Kayak In-Hull Transducer Mount can withstand continuous water submersion without releasing, all while protecting your transducer (sold separately). The heavy-duty foam mount with included adhesive comes with all instructions for quick and simple installation with no tools required. Cancer and Reproductive Harm- www.P65Warnings.ca.gov.