RAM MOUNTS Anchor Line Lock with Post, Black High Strength Composite The RAP-357PU can be flush mounted or dropped into an existing rod holder base and stay where you want on the water with the RAM Anchor Line Lock For use with anchor line up to 1/2" in diameter, operation is smooth and easy while the product itself is compact and durable The RAP-357PU consists of the RAM anchor line lock and round base with spline post; For use with anchor line up to 1/2" in diameter Lifetime warranty