Protect against abrasive sand, rocks, concrete ramps and oyster beds. Eliminate costly repairs. Enjoy the highest quality and superior engineering. Increase the value of your boat. Wear and damage to your boatÆs keel can break down its protective gelcoat finish, allowing water to reach and destroy the fiberglass laminates. This model is white in colour and the dimensions are 6 feet long x 5 inches wide. A revolutionary marine product to help you maintain your vessel's appearance and improve performance. By using Pellethane , an incredibly durable material from Dow Plastics, KeelShield provides the strongest protection against scratches or scars on your boat's keel, bow, swim platform, stern and more.