This set of top mounts is designed for use with Merc 6 stern drives. Crafted by Marine Machine, these tie bars are made to last with no need for warranty. Manufactured in the United States, these top mounts have not been modified. Perfect for those who need controls and steering boat parts, these top mounts are a great investment. Designed for use with a variety of boats, they are a must-have for anyone in need of top-quality boat parts.