This Sierra Contura rocker switch with a single-pole, single-throw (SPST) configuration is a must-have for your boat's rigging and outboard engine. The switch features a durable design and is manufactured with top-notch materials to ensure it lasts for years to come. Its manufacturer part number is RK19400, and it is compatible with a wide range of boat models. The switch is ideal for controlling your boat's electrical systems, and it is easy to install and use.Whether you are looking to replace a faulty switch or simply upgrade your boat's electrical system, the Sierra Contura rocker switch is the perfect choice. With its reliable performance and long-lasting durability, this switch is sure to give you the peace of mind you need on the water. So why wait? Order yours today and experience the quality and reliability that only Sierra can deliver!