Feature 1Versatile 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. 2High Functionality: Boat ribbed wobble roller can assist to load boat onto trailer without scratching or causing damage to boat, can speed up your work efficiency. 3Rugged Construction: Boat ribbed roller is made from superior EVA material, the roller is sturdy, high temperature resistant, and long lasting, providing reliable support for your boat. 4Exquisite Workmanship: Wobble roller is produced with high accuracy, the roller has a blue appearance that is smooth and burr free, adding a sleek look to your boat. 5Stable Performance: After elaborate manufacturing technology, the wobble roller delivers high reliability and stable performance, serving as a direct replacement for old or broken parts. Item Type: Trailer Roller Material: EVA Size: Approx. 5in / 127mm diameter, 70mm / 2.76in height, 20mm / 0.79in inner diameter Fitment: Boat, Yacht, Trailer Package List 4 x Trailer Rollers