Features A Taper-Lock 13" polished post and Taper-Lock non-locking swivel; Use with any Taper-Lock base not included 2-3/8" post; Lock Pedestal & Swivel Pack for Non-Locking; 2 Piece; Specifications Size: 13 in.; Dimension: 9" H x 4.5" W x 15.25" L; Weight: 2.86 lbs; .