This stainless steel clamp on rod holder can be added to our popular boat grab bars as seen in the image gallery. Boat grab bar sold separately - Cast 316 stainless steel clamp. - Adjustable for 1" to 1.66" dia. rails - Can be mounted on horizontal or vertical rails - Composite liner with gimbal pin - 10" L x 1-3/4" ID at top and 1 - 1/2" ID at bottom Part # MFDRHCO1.5 Keep all of your marine accessory needs with Marine Fiberglass Direct. *All International Orders may require additional shipping charges depending on location.