Wise 8WP21-18S Boat Seat Pedestal, Adjustable Height from 12" to 18", with Standard Seat Mount

I paged through many products in my search for a height adjustable seat post. Finally this one showed up. Others are priced incredibly high, this Wise product is fairly priced. Does exactly what I needed with the height adjustment in the seat post. The swivel is included which is a bonus. I actually used my existing swivel as it has the forward/backward adjustment as well. That was with the manufacturer installed seat when the boat was purchased. A nice inclusion with a nice boat seat, don't know why they had a fixed height post and it was very low. I like being high enough to see over the front of the boat without interrupting guests seated at the front of the boat. With this adjustable post I simply choose a comfortable height for travel. Anytime I would choose to sit higher or lower the adjustment is at my fingertips. Very well built, quality materials, fairly priced. I'm happy with and would recommend these Wise branded products. Shipping took a couple of weeks but worth the wait. While I was waiting for it I pulled my seat post from the base and replaced it with a longer piece of thick wall PVC pipe that happened to be 2 and 7/8" OD. Worked fine as well but still fixed height.

Well built fits my needs

Excelente producto, era lo que esperaba funcional y de buena calidad.

It's a modestly-priced pedestal with modest performance. It has no frills, and acts exactly as it's supposed to. I have no issues with how it performs.

Box says made in China and also under the base of the pedestal. The quality seems pretty good so far but I only got it yesterday. I will mount this in my boat when repairs to my boat are done, It's in the shop and will update this review later. The pedestal operates and feels sturdy to the touch and all welds seem strong and neat. It also has a very nice appearance with the shiny aluminum. It does not come with any hardware. The diameter of the base holes are 5/16 and tapered on top. The thickness of each bolt hole is also 5/16. It will take 6 bolts or screws to anchor it to the floor. I am very pleased with this purchase and would recommend it.Now let me explain how it operates. The top knob is for the swivel aspect of the chair. You can tighten the knob to keep it motionless or loosen to swivel and even take the swivel portion off the post. The other two lower knobs are for the post itself. You loosen the bigger knob, then pull the smaller spring loaded knob to adjust height. The post slides inside a sleeve cavity that you manually raise or lower. You keep the small knob pulled till you like the height you desire and then release. There are several holes inside the post that the spring loaded small knob will have to enter for height. There is no spring action inside the post so once you pull the small knob, gravity will send this down to shortest height so be careful. You cannot sit and adjust height of chair at the same time unless two persons work together. After height has been adjusted, tighten big knob and it snugs up sleeve to post to eliminate any slack movement on post. I hope this helps your purchase of this pedestal. There are no instructions included but easy to learn controls. Have a great day!