This Riveted WaveRunner Pull-Up Cleat is made of highly polished 304 stainless-steel with an exclusive Yamaha logo. Base is sturdy polypropylene. Sits just 15mm off the deck, then fully extends to 40mm in use. Cleat mechanism is spring-loaded so it automatically retracts when you remove the rope. Dealer installation is recommended. All mounting hardware included. Not suitable for watercraft larger than WaveRunners.