SWIVL-EZE LakeSport 2-3/8" Extension Post - 13" HighFixed height lake sport Series pedestal seat extension post 238613L1 is 13 inches high. A great extension post for 238 lake sport seat mounts and socket bases. For use on fishing, pontoon, or cruising boats to provide seat elevation. Attwood develops high-value, engineered marine products to make life on the water easier to enjoy. Made to meet the demands of boat builders and distribution partners, our products are extensively tested on-site in our lab to provide worry-free boating under all conditions.Features: Hard anodized, corrosion-resistant aluminum seat pedestal The locking latch has a low-friction ramped bottom for smooth Insertion into the base The release button operates smoothly requiring less effort to unlock post from 238 series base SELECT from Lake Sport series posts to get the perfect height for your boating fun All Springs are stainless steel Height measured from deck to top of seat mount