COLOFULWAY 4" Boat Trailer V Bow Stop Rubber V Bow Stop fits 4" Bracket with 1/2" Shaft

["【Material】This boat trailer V bow stop is made of high-grade molded rubber, resistant to oil, fuel, and salt corrosion.","【Size】This boat trailer V bow stop is 4.7 inches long and 3.8 inches in diameter, with a 0.6-inch inner diameter hole.","【Installation】This boat trailer V bow stop fits standard brackets and shaft sizes, mounting easily to the same bracket as the trailer roller.","【Function】This boat trailer V bow stop is designed to absorb the shock of launching, loading, The V-shaped design cushions and protects the bow during loading and towing，and hitching, making it easier to load and unload your boat onto the trailer."]