The product is a set of NEW OEM O-Rings specifically designed for OMC Johnson Evinrude outboard engines. These high-quality O-Rings come in a pack of 7 and are made by the original manufacturer. The part number for these O-Rings is 305123 and they come with a guarantee of no warranty. This product is ideal for boat owners looking to replace worn out or damaged O-Rings in their engines to ensure smooth performance and prevent leaks.