Description

Springfield Marine’s 1640401 Spring-Lock Offset Extension Post has a hefty 1-3/4″ diameter. This swivel base features 7″ x 7″ non-locking functionality and an e-coat finish to help withstand marine environments. Use With Spring-Lock Non-Locking Seat Mount and any Non-Locking Spring-Lock Base (sold separately). Refer to manufacturer recommendations and guidelines to ensure proper installation procedures.
Provides a full 5″ offset extension
Use with Spring-Lock Non-Locking Seat Mounts (sold separately)
Use with any Non-Locking Spring-Lock Base
Hefty 1-3/4″ diameter
Dimensions: 7″ x 7″