Garmin 010-10921-00 Marine swivel mounting bracket
Product Description
Marine swivel mounting bracket for the 500-Series Chartplotters and Sounders
Works with the following fish finders:
GPSMAP 421/421s
GPSMAP 431/431s
GPSMAP 520/520s
GPSMAP 521/521s
GPSMAP 525/525s
GPSMAP 526/526s
GPSMAP 530/530s
GPSMAP 531/531s
GPSMAP 535/535s
GPSMAP 536/536s
GPSMAP 540/540s
GPSMAP 541/541s
GPSMAP 545/545s
GPSMAP 546/546s