Attach one of these ratchet mounts to your boat to keep your antenna securely fastened. Base of each mount has a cable hole for a radio/LORAN/GPS, and the threads are standard male 1 -14. Available: Stainless Steel, Chrome Plated. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Size: STAINLESS STEEL. Color: Stainless Steel. Type: Antennas.