Feature 1 Versatile Use: This ribbed wobble roller is universally applicable and works in a variety of scenarios. Its uses extend across boats, marines, yachts, trailers and more. 2 High Functionality: Wobble roller can assist to load boat onto trailer without scratching or causing damage to boat., and you can easily push ship and can speed up your work efficiency. 3 Strong and Enduring: Constructed from premium Polyurethane material, the boat ribbed wobble roller boasts durability and resistance to high temperatures. 4 Superior Craftsmanship: The trailer ribbed wobble roller, created with 125 x 73 x 30mm / 4.92 x 2.87 x 1.18in dimensions, allows for a perfect fit. 5 Reliable Replacement: Demonstrating high reliability and stable performance owing to meticulous manufacturing processes, this wobble roller serves as a great replacement.Item Type: Trailer RollerMaterial: PolyurethaneOuter Diameter: Approx. 125mm / 4.92inHeight: Approx. 73mm / 2.87inInner Diameter: Approx. 30mm / 1.18inApplication: Boat, Trailer, Ships Package List4 x Trailer Rollers