Shoreline Marine SL91388 Seat Bracket Jon Boat W/Swivel Boat part number 1107975 is a new adjustable clamp-on swivel seat bracket from Shoreline Marine, part number SL91388 . Commonly used on Jon Boats or Canoes, but may be used on other boats.This seat bracket is constructed out of steel, and measures approximately 21" L x 7 3/4" W x 4 3/8" H overall. Requires an approximate 19" width when extended and an approximate 8 3/4" width when condensed. Mounting plate measures approximately 7" x 7" overall. Mounts with (4) 1/4" x 1" holes set apart 5 3/8" x 5 3/8" center to center.Specifications: Boat Manufacturer: Jon Boats or Canoes Part Manufacturer: Shoreline Marine Part Number: SL91388 UPC: 013893591388 Material: Steel Color: Black Overall Dimensions: 21" L x 7 3/4" W x 4 3/8" H Extended Width: 19" Condensed Width: 8 3/4" Mounting Plate: 7" x 7" Mounts: (4) 1/4" x 1" holes set apart 5 3/8" x 5 3/8" CTC
