Boat Seat Pedestal,13-19 Inch Adjustable Height Locking Swivel Boat Seat Pedestals and Bases,9″ Base,2-7/8”Post,Anti-Wobble Aluminum Marine Seat Mount for Pontoon Bass Jon Fishing Boat Chair,Base Only

Stable&Safe boat seat pedestal with fore-aft slide| adjustable height from 14″ to 20″ | locking design | 360 degree swivel rotation with a secure locking knob | 9 inch pedestal base | corrosion resistant anodized aluminum | pre-drilled mounting holes | anti-wobble | fore-after slide |2-7/8″ diameter post
Smooth sliding boat seat pedestals and bases:The adjustable boat seat pedestal with 13 inch x 7 inch seat slider easily move seat front and back to adjust the distance between the chair and the helm,and the slide platform greatly reduces wobble for enhanced safety on shock wave water.
Adjustable height boat seat pedestals 14 to 20 Inches-7 level height adjustment for different heights people.The boat chair pedestal and base allow to easily 360 degree swivel rotation with a secure locking knob for better visibility and higher comfortable on the boat.