Attwood Marine Boat Seat Mount - Without Slider - 238153-7 72-3296 Floor Base Dimensions: 17 1/2"

Floor Base Dimensions: 17 1/2" x 13"

Compatibility: Came off of a 1997 Kustom Koach KW240- unknown if it will fit other makes &/ models

Product Dimensions: 36" X 12" X 4" D

27 3/8" x 22 3/4" x 2"D Outer Frame Dimensions  28 7/8" x 24 1/4"

Attwood Marine Boat Seat Mount - Without Slider - 238153-7 72-3296 Floor Base Dimensions: 17 1/2"Boat Seat Mount Without Slider ATTWOOD MARINE 238153 7 The mount features the swivel release handle mounted for right side access. The slider base provides three degrees of tilt. Attwood Corporation has been an award winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years. Features & Benefits Slider Has Gear Tooth Lock Mechanism; Locks Solidly, Disengages Easily Slider Handle Is Mounted On Front