Roswell 360° Adjustable Rack AdapterThe Roswell 360° adjustable rack adapter is designed to provide 360° rotational mounting positions for fixed rack mounts. Constructed from machined aluminum that has bee sandblasted for longevity in marine environments. The included plastic inserts are designed to fit square and round tubing 1" - 2.5" in diameter.Product Features:360° Rotational Mounting PositionsSaltwater FriendlyCompatible with Fixed Racks OnlyFits Tubing 1" - 2.5"California Residents:WARNINGCancer and Reproductive Harm -P65Warnings.ca.gov