The KingPin Manual Adjustable Post is engineered with boating enthusiasts in mind. Designed to add comfort to your marine adventures and make them stress-free, this KingPin post adjusts from 22" to 31" in 1" increments. It works with the standard 3/4" KingPin base (sold separately).• Manually adjustable post adjusts from 22" to 31" in 1" increments• Posi-Lock lever secures the post at the desired height• Anodized finish• Use with any KingPin seat mount (sold separately)• Mfr. Warranty: 5 years Anodized finish Use with any KingPin seat mount & 3/4"" KingPin base | Springfield Marine KingPin Manual Adjustable Post, Standard, Anodized