242 Rail Mount Adapter - 7/8"-1" - BlackFits 7/8" and 1" diameter round rail, and 1" square rail. For all Scotty post mount rod holders. Works with No. 241 side/deck mounts (not included). Includes: Stainless Steel FastenersWARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov. .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }