Boat owners, this Attwood marine seat swivel is exactly what you need for smoother, more comfortable seating on the water! The model 1772-F features a 360-degree ball-bearing design that rotates smoothly and quietly, letting you easily turn to face different directions while fishing or cruising. It has a universal 5-1/4 inch mounting hole pattern that works with most standard boat seats, making installation straightforward. The zinc coating provides excellent corrosion resistance, which is crucial for marine environments where saltwater and moisture can quickly ruin untreated metal. Made in the United States, you know you're getting quality construction that's built to last through seasons of use. The package dimensions are 21.336 x 22.098 x 11.176 cm with a weight of 3.05 pounds, giving it a solid, durable feel. Whether you're replacing a worn-out swivel or upgrading fixed seats, this swivel adds functionality and comfort to your boating experience. It's particularly great for fishing seats where you need to frequently change positions, or for captain's chairs where easy rotation makes docking and maneuvering much simpler. This is one of those boating accessories that seems simple but makes a huge difference in your comfort and convenience on the water.