? Instalock Snap Davits are a lock and lift system, designed to secure and stabilize an inflatable dinghy to the back of a Motorboat or Yacht. It provides a safer method for a person to enter and exit. ? Quick release Extended Snap Davits to step off or sail away,Easy to install, color: black and gray. ? Solid, Durable anticorrosion 304 stainless steel for attaching your inflatable boat to the swim platform which makes it easier and avoids drag and fouling when cruising in Fresh or Saltwater. ? When locked and lifted, you can save space in the Marina and save Berthing fees. ? Please feel to contact us if you have any questions about our products.