Enjoy the precise and secure ratchet action of the Seachoice Antenna Rail Ratchet Mount with Heavy-Duty Handle. The 316 stainless-steel construction is extremely resistant to corrosion caused by harsh marine environments. This ratchet is designed for quick and easy mounting on both 7/8 and 1 inch (OD) rails and fits all standard 1 inch marine antennas. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Enjoy the precise and secure ratchet action with heavy-duty handleDesigned for quick and easy mounting on both 7/8 and 1 inch (OD) railsMarine-grade 316 stainless-steel constructionExtremely resistant to corrosion caused by harsh marine environmentsFits all standard 1 inch marine antennas; 1" - 14 male threadManufacturer part number 50-19541