Rail MountGPS/VHF RAIL ACCESSORY The Rail Mount is the perfect solution for those wishing to attach a single antenna to a pushpit rail. Features:Extra protection The Rail Mount can be fitted to rails of 25mm (1") in diameter and comes with a watertight seal for additional protection against exposure to the sea. Durable materialThe Rail Mount has been manufactured using stainless steel to ensure durability and an attractive finishInternal cable routingThe Rail mount allows for internal cable routing to ensure a neat installation