• Adjusts from 8" to 20.5"
• Universal swivel screws on or off
• Heavy-duty steel construction
• Vinyl-coated clamps
Ideal for adding a seat to your jon boat, Bass Pro Shops® Jon Boat Seat Clamp features a universal swivel that screws on or off. Constructed of heavy-duty steel, our Jon Boat Seat Clamp has vinyl-coated clamps that adjust to fit any bench seat from 8" to 20-1/2" wide.