441 Backing Plate f\/241 & 244 MountUse the Scotty Backing Plate to add structural support when attaching the Scotty 241L \/ 241 Combination Side \/ Deck Mount or the Scotty 244L \/ 244 Flush Deck Mount to thin-walled watercraft. Made with super tough, rugged engineering grade nylon. *Stainless steel nuts & machine screws included.WARNING: 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.