Marine trailer accessories 4-inch bow roller assembly

4-inch marine trailer bow roller assembly, robust and durable, suitable for towing vessels. 【Dimensions】Inner roller width is 4 inches, mounting hole inner diameter is approximately 1.3 cm/0.5 inches. Fits a 4-inch wide center roller bracket. Total width is approximately 18 cm/7.09 inches. 【Material】Maintains robust and durable nylon material, resistant to wear. Lightweight yet with strong load-bearing capacity, ensuring long-term reliable use. 【Smooth and Quiet Rolling】Marine trailer rollers ensure smooth movement of vessels on trailers and help cushion and protect your vessel and yacht trailer accessories. 【Easy Installation】Marine trailer rollers are easy to install and use, allowing you to easily tow vessels, improving work efficiency while saving effort and time. 【Wide Applications】These marine trailer bow rollers/ship tugs are widely used for transporting large goods in factories, docks, ports, warehouses, and other production sites. Suitable for boats, trailers, ships, yachts Specifications: Material: Nylon Size Chart: Inner roller width: 4 inches Overall length: 18 cm / 7.09 inches Inner mounting hole diameter: approx. 1.3 cm / 0.5 inches Package List: 1 pc Boat Trailer Roller Note: Please allow slight errors due to manual measurement and different monitors.