The rubber material of Trailer Bow Stop is anti- and cut-proof. The smooth of the bow stop does not easily leave scratches on your boat. Block Trailer Rubber Bow Stop keeps your boat from being hit and scratched when loading or unloading the trailer by reducing the impact Trailer Bow Stop holds your boat in place during towing to prevent it from swaying from side to the trailer, thus ensuring safety. Trailer Bow Stop features easy installment so that could valuable time and increase efficiency. Colour:Black Material:rubber Size:2inch Mounting Width, 4inch V Span, 1/2 inch Mounting Hole Diameter Package Contents: 1 x Boat Trailer Bow Stop Block Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.