2-3/8 inch Fixed Height & Pro-Pole Extension Posts - 11 inch Bulk-Fixed Height Extension Posts (Height -Measured From Deck to Top of Seat Mount)-Fixed Height Extension Post, 11 inch Height, ABYC Code - AO, BulkF E A T U R E S-The Seat Mount has Rock-Solid Slider Movement and Silk-Smooth Swivel.
Strength, style, and corrosion-resistance to the core: Corrosion-Resistance Pedestal tubes are hard-anodized aluminum.
All springs are stainless steel.
Bases are bead-blasted (to close aluminum porosity) and clear-coated.
Smooth Movement Without Wobble Slider has gear-tooth lock mechanism; locks solidly, disengages easily.
Slider rides smoothly on acetal linear bearings.
Clean Style, Ergonomic Design Styling is clean and uncomplicated.
Handles are ergonomically designed to be easy on the hands and easy to reach.
