• 3.5" Diameter Stanchion for Mid-Size (30 Ft.+) Boats
• Proportionately to Scale for added Strength and Styling
• Design accommodates all Garelick EEz-In Seat Slide and Swivel Spiders
• Meets ABYC, H-31 Type A Standards
• 3.5" diameter smooth stanchion tube, stanchion base casting 10.5" diameter 6 hole, 3/8" mounting holes.
• Polished and Anodized aluminum components