Our boat trailer wheels and winch rollers are designed with the user in mind, offering easy installation and maintenance. The materials used in their construction ensure they can withstand the rigors of marine use, providing performance for years to come. These rollers are an essential component for any boat trailer setup. Features Inner diameter: 15mm -Color:Blue -Material:Plastic -Size:9.30X8.20X8.20cm/3.65X3.22X3.22in -Size:8.30X8.30X2.80cm/3.26X3.26X1.10in -Versatile functionality: the plastic boat roller is fit for yachts, trailers, and boats, providing a multifunctional solution for various marine and transport scenarios -Durability: made with materials, this trailer boat roller offers durability and resistance to marine conditions -Simple to use: the portable boat roller is equipped with top wheels and winch wheels, it offers an easytouse experience, making it accessible for all users -Modern design: features a contemporary and stylish design that enhances the appearance of your marine equipment while being highly functional -Yacht trailer compatibility: ideal for use with yacht trailers, providing a and efficient means of transporting your yacht Package list: 1 x axle 2 x pads