Hard blue nylon boat rollers are a great option for those who own aluminium boats. These rollers are specifically designed to withstand the weight and pressure of aluminium boats, ensuring that they can be easily launched and retrieved from the water. Made from durable materials, these rollers are built to last and can withstand the harsh marine environment. They provide a smooth and easy glide for your boat, making launching and retrieving it a breeze. The hard blue nylon material is also resistant to wear and tear, so you can be sure that your boat will be protected during the launch and retrieval process. These rollers are an excellent investment for any aluminium boat owner who wants to ensure that their vessel is protected while in use. With their sturdy construction and reliable performance, hard blue nylon boat rollers are an essential addition to any boating kit.