- Unmatched strength
- Heavy-duty casting easily supports popular oversized helm seats
- Supreme stability
- A rigid mount and wider seat interface create ultimate pedestal robustness
- Extra smooth
- Improved slider motion facilitates easy fore and aft movement
- Dampening gas spring on the 278 Air System absorbs impact
(For total system height, add 1" to the base height.) ALT Part Numbers: ATS 278AOP15191, 44-2726