Springfield 2-7/8" Heavy-Duty Adjustable Mainstay Package w/Slide [1250301] Marine Hardware | Oarlocks The transducer includes a plastic

The transducer includes a plastic housing which is secured inside the hull of the boat and is filled with Eco-friendly anti-freeze

while travelling at speed

Its powder-coated aluminum finish offers long-lasting durability in marine environments

and you can even use it to plot barometric pressure over time

Springfield 2-7/8" Heavy-Duty Adjustable Mainstay Package w/Slide [1250301] Marine Hardware | Oarlocks The transducer includes a plastic2 7 8" Heavy Duty Adjustable Mainstay Package with Slide Package includes 2 7 8 high strength rigid 4 keyed anodized aluminum air powered height adjustment pedestal (500 newton cylinder) with 9 round anodized base, and locking Trac Lock swivel & slide. 3 1 2 outer post with 2 7 8 inner post.