The Attwood SP-37914 is 24″ to 30″ seat extension post designed for mounting Type-B seats. This extension post is made from satin finish, anodized aluminum with Type-B seat bracket preinstalled for total ease of installation. See below for more details.
Not recommended to interchange with other manufacturers products.
Features
- Type B seat mounts are designed to “lock” into the post
- Engineered to prevent unintentional detachment
- Heavy-duty bushing with peripheral bearing system and exclusive “crush ribs” are individually sized for exact fit
- Precision positioned locking tab positively locks post to base. Wedge(TM) bushing locks in with a tight, solid fit. 2-Point stainless steel riveting strengthens the bushing
- Strong base design includes reinforcing ribs and improved profile to withstand the tough conditions
- Brushing process provides long-lasting high-sheen finish












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