Springfield Second Generation Posi-Lock Manual Adjust 2-7/8" Pedestal - No Swivel [1240748-MLNS]Second Generation Posi Lock Manual Adjust 2 7 8" Pedestal No Swivel Non removable pedestal system in 2 7 8 in. offers a heavy duty base and post for today's larger and faster recreational boats. The base is permanent mold AC7A aluminum alloy with an anodized finish for maximum strength and corrosion protection. Then a 2 7 8 in. heavy duty extruded post is pressed and hydra formed into the base mechanically forming them together. This proprietary