attwood Fixed Height Lakesport Series Boat Pedestal Seat Extension Post - 13" High Fixed Height Lakesport Series Boat Pedestal Seat Extension Post 238613L1-13" High Hard anodized, corrosion resistant aluminum seat pedestal Locking latch has low-friction ramped bottom for smooth Insertion into base 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