This product is a boat trailer guide wheel, made of solid materials, safe and firm. It can last for a long time without being easily damaged. The product is a practical yacht ribbed roller that can bring you more convenience, allowing you to have comfortable experience. Features -Color:Black -Material:Nylon -Size:15.00X15.00X5.00cm/5.89X5.89X1.97in -Ideal for transporting heavy loads with ease and efficiency, this boat roller assembly is designed for use with boat trailers and can handle even the heaviest of loads. -Crafted from sturdy nylon materials that are resistant to wear and tear, this trailer roller wheel is built to last and can withstand the rough conditions for long-lasting use. -Featuring a 360-degree swivel design, this marine trailer roller is easy to operate and turn, making for use in tight spaces and narrow aisles. -With its quiet operation, this yacht ribbed roller is ideal for use in quiet environments where noise levels need to be kept to a minimum. -Compatible with a variety of boat trailers, this versatile yacht roller can be used with a range of different trailers, making it a for anyone who needs a reliable and versatile solution for transporting heavy loads. Package list: 1 x boat trailer roller