The extended nut offers the best solution for those wanting the clean, screwless look of our Bluewater rod holders on boats with gunwhales and/or covering boards thicker than 3"
This kit will allow for the following installation thicknesses: 105512 and 105515 - 3.75" to 5.5" 105513 and 105516 - 2.125" - 4" 105514 and 105517 - 1.75" - 3.5"
