The PSS Shaft Seal is designed for optimal performance in marine applications, ensuring a reliable seal for your shaft. With a diameter of 2-1/2 inches, this seal effectively prevents water ingress, protecting your vessel's integrity. Its robust construction guarantees durability and longevity, making it an essential component for boat maintenance. The 4-tube design allows for easy installation and adaptability to various shaft configurations. Upgrade your boating experience with the PSS Shaft Seal, where quality meets functionality. Perfect for both seasoned sailors and new boat owners alike!