Description 【Swivel Chair Mount Base】 Enhance your boating experience with this versatile boat seat mounting base. Its universal compatibility and high rigidity make it a trusted choice for both passenger and captain seats, ensuring a smooth and stable journey. 【Boat Pedestal Mount】 Features - Color: Black - Material: Metal - Size: 17.00X17.00X14.50cm/6.69X6.69X5.71in 【Boat Seat Base】 Simple Installation Retains Original Mounting Plate Holes And Stop Structures Speeding Up The Replacement Process Minimizing Downtime 【Replacement Marine Seat Base】 Enhanced Comfort: Upgrading your boat seat swivel base reduces turns and abnormal sounds, keeping a fluid transition for boat chair base in frequent seating adjustments on working or leisure boats 【Fishing Boat Seat Pedestal】 Compatible With Fishing Boats Enhancing Comfort And Functionality For Anglers 【Pedestal Base For Boat Seat】 Easy Replacement: Designed as a replacement marine seat base, this swivel mounting plate precisely fits original square seat structures, enabling upgrades without altering your boat seat floor base 【Marine Seat Base】 Heavy Duty Metal Construction Ensures Durability And Stability In Challenging Marine Conditions 【WHAT WILL YOU GET】 1 x boat seat pedestal