Introducing the PSS Shaft Seal, designed for optimal performance in marine applications. This high-quality seal fits a 3-1/2" tube with a 1-3/4" shaft, ensuring a perfect seal to prevent water ingress. Crafted from durable materials, it offers excellent resistance to wear and tear, making it ideal for both fresh and saltwater environments. The easy installation process allows for quick replacements, keeping your vessel in top shape. Trust the PSS Shaft Seal to provide reliable protection and peace of mind during your boating adventures!