Product Description: Seachoice 89900 Fishfinder Mount for Square & Round Base, Black, 5/case Provides an adjustable mounting platform for fish finders or chart plotters with square or round bases. Mates to StarPort, StarPort HD, SidePort, Rail Mount, and RIBPort bases (not included). Dimensions: 4" x 4" (platform surface); 5-1/2" (height with mount arm).
- 3-Axis mount has "R-Lock" locking friction joints at top and bottom
- Center joint is fully adjustable in 15° increments
- Accommodates fish finders up to 3.3 lbs.
- Mount on angled surfaces and keep your display level