Springfield 2-7/8" Heavy-Duty Adjustable Mainstay Package w/Slide [1250301] Marine Hardware | Oarlocks and you can even use

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

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

Max PSI: 45

Livery Foam Vest - M/L - Yellow

Jabsco is a worldwide leading manufacture of products for the leisure marine market including water system

Springfield 2-7/8" Heavy-Duty Adjustable Mainstay Package w/Slide [1250301] Marine Hardware | Oarlocks and you can even use2 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.