The Springfield 2-7/8" Heavy Duty Mainstay with Swivel is built for today's larger, faster recreational boats. A permanent-mold AC7A aluminum alloy base bonded to a 2-7/8" extruded post via a proprietary press-and-hydra-form process delivers exceptional rigidity and corrosion resistance, while air-powered height adjustment lets you dial in seat position on the water without tools.

Specifications:

• Pedestal diameter: 2-7/8 in.
• Base: 9 in. round, permanent-mold AC7A aluminum alloy with anodized finish
• Post: rigid 4-keyed aluminum, anodized finish
• Height adjustment: air-powered, 14 in. to 19.5 in.
• Warranty: 5 years

⚠️ WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.