245%201%201%2F4%26quot%3B%20Round%20Rail%20MountFits%201%201%2F4%26quot%3B%20round%20railsExcellent%20for%20pontoon%20boatsProvides%20versatile%20mounting%20without%20having%20to%20drill%20more%20holes%20in%20your%20boatIncludes%20stainless%20steel%20fasteners%20that%20hold%20this%20tough%20mount%20securely%20in%20placeWorks%20with%20all%20Scotty%20post%20mount%20rod%20holders%20and%20can%20be%20positioned%20anywhere%20on%20your%20railNOTE%3A%20This%20mount%20can%20also%20be%20converted%20to%20a%20square%20rail