SeaLux Universal Heavy Duty 360 degree Seat Swivel Base Mount Plate for Bar Stool, Chair, boat

SWIVEL, SLIDE AND HEIGHT ADJUSTMENT Boat pedestal seat comes with 5 level height adjustment from 13.5 - 18 inches, 7 inch SLIDER ADJUSTMENT to move

Adjustable Boat Seat Pedestal and Bases with Swivel and Height Adjustment for Boat Seats Captain Chair 13.5 to 18 Inches Aluminum Locking Height Adjustable Pedestal, Seating Accessories - Canada

Wise 8WD007-6-710 Deluxe Pilot Chair with Cushions, Mounting Plate, Adjustable Height Pedestal and Seat Slide, Seating - Canada

Boat Seat Swivel, Universal Heavy Duty 360 Degree Seat Swivel Base Mount Plate for Bar Stool, Chair, Boat and Van Pilot seat(6in) : : Sports & Outdoors

Rv Swivel Seat Base

7” X 7” Universal seat Swivel, Boat Seat Swivel

NRS Swivel and Plates for Padded Raft Seats, Seating Accessories

SeaLux Universal Heavy Duty 360 degree 7 to 8-3/4 Seat Swivel Base Mount Plate for Bar Stool, Chair, boat or van pilot seat (Large)

SeaLux Universal Heavy Duty 360 degree Seat Swivel Base Mount

Wise 8WD007-6-710 Deluxe Pilot Chair with Cushions, Mounting Plate

Boat Seat Swivel, Universal Heavy Duty 360 Degree Seat Swivel Base Mount Plate for Bar Stool, Chair, Boat and Van Pilot Seat(8in), Seating Accessories - Canada

7 Inch Heavy Duty Steel 360 Degrees Rotating Seat Swivel Base Mount Plate for Bar Stool Chair Table Applications Tools - AliExpress

SeaLux Aluminum Portable Folding Cushioned Boat Deck Beach Chair White

7” X 7” Universal seat Swivel, Boat Seat Swivel