Springfield Marine 3001.9979 2.375 in. Plug-In Seat Post with 9 in. Lock

Springfield Plug-In Post with Latch: Latch safely secures post to base Fits into any 2-3/8" plug-in base Use with trac-lock locking swivel (1100031-l1)/use with 2-3/8" plug-in bases (sold separately) Abyc class: Ad/driver 5-year warranty