Roswell R1 Pro Tower Dual Mount BracketsThese dual mount brackets by Roswell are designed for use with R1 Pro Tower Speakers on Nautique telescoping towers. Constructed from machined billet aluminum with an anthracite finish for longevity in marine environments.Product Features:Sold in PairsAnthracite FInishFor Nautique Telescoping Flight Control TowersCalifornia Residents:WARNINGCancer and Reproductive Harm -P65Warnings.ca.gov