1. Good Stability: Our stationary keel roller ensures maximum boat protection with its high friction and stable design. The 4-inch diameter black rubber spool effectively reduces wear and tear to the boat's underside. 2. Corrosion Resistance: This stationary keel roller features a hot-dip galvanized coating, providing excellent corrosion resistance for prolonged outdoor use without rusting. 3. Smooth Appearance: Enhance your boating experience with our stationary keel roller, designed for long-lasting durability and outdoor performance. Enjoy a smooth and sleek look for your vessel. 4. Easy to Install: For boat trailer tongues or frames, the bracket can be bolted to a 2-inch trailer tongue frame, ensuring a secure fit and smooth operation of the stationary keel roller. 5. Wide Compatibility: The bracket's 3-inch spaced mounting holes provide optimal flexibility and stability during installation, allowing for easy mounting on various trailers. The stationary keel roller bracket is a must-have for any boat owner. It helps reduce wear and tear on the bottom of your boat. Item Type: Keel Roller Bracket Compatible Type: Fits 2-inch and 3-inch trailer tongue frames Color: As Shown Material: Rubber Package Contents: 1 x Stationary Keel Roller Note: Light reflection and different displays may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.