---
product_id: 446215874
title: "ONHI Adjustable Aluminum Height Locking Boat Seat Pedestal 14-20-Inch with Slide,Silver Matte Brushed"
brand: "onhi"
price: "฿27348"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/446215874-onhi-adjustable-aluminum-height-locking-boat-seat-pedestal-14-20
store_origin: TH
region: Thailand
---

# 14-20 inch adjustable height 360° swivel with locking knob anodized aluminum corrosion-resistant ONHI Adjustable Aluminum Height Locking Boat Seat Pedestal 14-20-Inch with Slide,Silver Matte Brushed

**Brand:** onhi
**Price:** ฿27348
**Availability:** ✅ In Stock

## Summary

> ⚓ Elevate your boating game with comfort and style that won’t quit!

## Quick Answers

- **What is this?** ONHI Adjustable Aluminum Height Locking Boat Seat Pedestal 14-20-Inch with Slide,Silver Matte Brushed by onhi
- **How much does it cost?** ฿27348 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/446215874-onhi-adjustable-aluminum-height-locking-boat-seat-pedestal-14-20)

## Best For

- onhi enthusiasts

## Why This Product

- Trusted onhi brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rock-Solid Stability:** 9-inch diameter base engineered to absorb shocks and protect your knees and back on rough waters.
- • **Smooth 360° Mobility:** Effortlessly rotate your seat to access every corner of your boat with a secure locking feature.
- • **Custom Comfort on Demand:** Easily adjust your seat height and slide for perfect visibility and ergonomic support.
- • **Built to Brave the Elements:** Crafted from anodized aluminum with a matte brushed finish for long-lasting corrosion resistance.
- • **Universal Fit, Certified Safety:** Compatible with all seat brands and meets Class AD standards for reliable, worry-free boating.

## Overview

The ONHI Adjustable Aluminum Height Locking Boat Seat Pedestal offers a versatile 14-20 inch height range and 7-inch slide for personalized comfort. Made from durable anodized aluminum with a corrosion-resistant matte finish, it features a sturdy 9-inch base and 360° swivel with locking knob for enhanced mobility. Compatible with all seat brands and meeting Class AD safety standards, this lightweight 4.08 kg pedestal ensures reliable, ergonomic support for every boating adventure.

## Description

1. Height: Adjustable from 14-20-Inch Height Adjustment and 7-Inch Travel Seat Slide;360° rotation with locking knob Material(s): Strong and durable Anodized Aluminum,Matte, Brushed Satin Finish Base: 9" Diameter Base with 2-7/8" diameter holes Compatible:Fits all brands of Seats meets Class AD ( Drive Grade) Standards Weight: 10LB.

## Features

- Adjustable Height and Improved Comfort,Our boat seat features a height adjustment range of 14-20 inches and a 7-inch travel seat slide. This allows you to easily adjust the height of your seat using a single lever, enhancing your visibility and providing superior comfort on the water.
- Strong and Durablity Material with Long-lasting Finish,Crafted from anodized aluminum, our seat is built to last. The smooth, thick wall and polished finish not only provide durability but also offer a corrosion-resistant feature that saves you money and the hassle of frequent replacements.
- Sturdy Base for Maximum Support,Our seat features a 9" diameter base with 2-7/8" diameter holes. This provides a strong and sturdy base that can support your weight and withstand shocks from waves, ensuring the safety of your knees and back by reducing the risk of injuries.
- Enhanced Mobility with 360° Rotation,With a 360° rotation and a locking knob, our seat enables you to easily rotate it in any direction. This swivel feature enhances your mobility and allows you to access different areas of your boat effortlessly.
- Universal Compatibility and Meet Class AD Standards,Our seat is compatible with all brands of seats and meets Class AD (Drive Grade) Standards. It is designed to ensure safety and reliability. With a weight of just 7L, it offers lightweight convenience without compromising on quality.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | ONHI |
| Brand | ONHI |
| Model | pedestal |
| Product Dimensions | 25.4 x 25.4 x 38.1 cm; 4.08 kg |
| Item model number | 001 |
| Exterior | Polished |
| Manufacturer Part Number | 001 |
| Item Weight | 4.08 Kilograms |

## Product Details

- **Brand:** ONHI
- **Colour:** Silver
- **Orientation:** Front
- **Material:** Aluminum
- **Vehicle service type:** Boat

## Images

![ONHI Adjustable Aluminum Height Locking Boat Seat Pedestal 14-20-Inch with Slide,Silver Matte Brushed - Image 1](https://m.media-amazon.com/images/I/61us1U70VKL.jpg)
![ONHI Adjustable Aluminum Height Locking Boat Seat Pedestal 14-20-Inch with Slide,Silver Matte Brushed - Image 2](https://m.media-amazon.com/images/I/61BwZHLFT+L.jpg)
![ONHI Adjustable Aluminum Height Locking Boat Seat Pedestal 14-20-Inch with Slide,Silver Matte Brushed - Image 3](https://m.media-amazon.com/images/I/71p5l2I25iL.jpg)
![ONHI Adjustable Aluminum Height Locking Boat Seat Pedestal 14-20-Inch with Slide,Silver Matte Brushed - Image 4](https://m.media-amazon.com/images/I/611RjRi4HmL.jpg)
![ONHI Adjustable Aluminum Height Locking Boat Seat Pedestal 14-20-Inch with Slide,Silver Matte Brushed - Image 5](https://m.media-amazon.com/images/I/51mfeqogiqL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Hi.  What is the inside diameter of the base tube?**
A: 2 inch,thank you ,

**Q: when fully extended to 19 inches, how much top tube is still in the base tube? I want to make sure there won't be wobble.**
A: Not sure how much tube is in the base without taking the cover off my boat. But my seats are not wobbly at all, very sturdy.

**Q: What screw dimensions do you recommend for attaching to 3/4” plywood flooring?**
A: The seat mount is drilled for 5/16" bolts. I chose to drill them out and use 3/8" because I already had them in stock.  Mine are Machine screws, Phillips oval head, Stainless steel 18-8, 3/8"-16 x 2-1/2".

**Q: Do they sell The base separately for this item? I would like to be able to move the seat from original install position to a different location in th**
A: The upper part is removable,

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**Shop now:** [https://www.desertcart.co.th/products/446215874-onhi-adjustable-aluminum-height-locking-boat-seat-pedestal-14-20](https://www.desertcart.co.th/products/446215874-onhi-adjustable-aluminum-height-locking-boat-seat-pedestal-14-20)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-23*