Enhance your boat trailering experience with this heavy-duty 3-inch wide black rubber wobble roller. Featuring a 4-3/8 inch outer diameter, this QDYZPP roller is designed to provide smooth and efficient boat loading and unloading. The ribbed surface pattern offers improved grip and helps guide your boat into position while reducing friction. The wobble design allows the roller to conform to your boat's hull shape, ensuring even weight distribution and support during transport. These durable rubber rollers are built to withstand repeated use and various weather conditions, making them an essential component for any boat trailer setup. Perfect for upgrading existing rollers or replacing worn ones, these robust trailer accessories help protect your boat's finish while making launch and recovery operations easier. Made of molded rubber Black color Overall dimensions: 3" W x 4-3/8" Diameter 3/4" mounting hole diameter