Seachoice Heavy Duty Molded Keel Roller, Black, Boat Trailer, 8 in. X 5/8 in, Nylon Inserts

• Designed to support the bottom of your boat on the trailer; absorbs road shock
• Heavy-duty steel sleeve and tapered design provide longer life, especially for heavy boats
• Ideal as a replacement part or outfitting your trailer for the first time
• Resists oil, fuel, and salt corrosion
• Absorbs the shock of launching, loading, and hitching
• Measures 8 inches wide, with 5/8 inch diameter hole
• Recommended max load: 400 pounds