7 level height adjustments:This Adjustable Height Locking Boat Seat Pedestal Adjustable from 13"-19" high and 7 lock-in positions.With slider adjustment that can be moved back and forth by 7 inches.the boat seats pedestalallows you to quickly and easily adjust the height of the seat using a lever, which can improve your visibility and comfort on the water.

Doesn’t wobble, Rotable :After adjusting the boat seats pedestal to a suitable height, turning the large black locking knob on the adjustment lever to the right can prevent the seat from shaking at any height. In addition, this boat chair base has a 360 degree rotation of the lock knob, They enable you to rotate your seat 360 .

Durable and beautiful：This Adjustable Height Locking Boat Seat Pedestal is made of Strong and durable Anodized Aluminum for durability.It will not rust when used outdoors, and the pedestal seat kit provides a silver smooth surface treatment for a more beautiful appearance.

Compatible with all brands:this boat seats pedestal Predrilled seat fixing holes, that fits boat seats from all brands.Especially for boat chair bases with adjustable sliding plates, there are more reserved holes on the sliding plates, which have a wider range of applications.

Size: Base: 9" OD w/ 3" diameter holes. 360° rotation with locking knob. Slide: 13" x 7" Platform ,7 inches sliding adjustments. 7 level height adjustments from 13 to 19 inches