AnchorLift Self Launch Pivoting Bow Roller The AnchorLift Self-Launching Bow Roller is a high quality, universal self-launching roller for boats ranging from 20 feet to 100 feet. This pivoting head bow roller is designed for easy mounting on most bows and is hinged for smoother self-launching operation. Features a low-profile design and is equipped with high-quality Delrin rollers. Constructed of solid AISI 316L Stainless Steel. Available in multiple sizes, the AnchorLift Bow Roller is best suit