Feature: 1. Wide Application: Ribbed wobble roller is a universal accessory, applicable to boats, yachts, trailers, and more to better meet your needs. 2. Excellent Function: The ribbed wobble roller is specially designed to assist in loading your boat onto the trailer without scratching or damaging it, highly practical. 3. Durable Construction: Made from high-quality PP material, the boat ribbed wobble roller is sturdy, durable, heat-resistant, and not easily broken, ensuring long-term use. 4. Exquisite Workmanship: Produced with precise manufacturing to exact dimensions of 108x75x19mm, the roller features a smooth blue finish free of burrs. 5. Great Replacement: Engineered for high reliability and stable performance, this wobble roller is a direct replacement for old or damaged units. Specification: Item Type: Ribbed Wobble Roller Material: PP OD: 108mm / 4.3in Height: 75mm / 3.0in ID: 19mm / 0.7in Application: Boats, yachts, trailers, etc. Color: Blue Package Contents: 4 x Ribbed Wobble Roller Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.