Sea-Dog Sea Dog Rail Mount Fixed Antenna Base. Ideal for Loran GPS and CB antennas with standard 1"-14 threads (NOT recommended for whips over 8). Can be mounted on either vertical or horizontal rails as well as any flat surface. Constructed of corrosion resistant formed 304 stainless steel. 327141-1 includes UV stabilized injection molded nylon mounting brackets for use on 7/8" and 1" tubing. Specifications for Sea-Dog 327141-1 Sea Dog Rail Mount Fixed Antenna Base: Manufacturer: Sea-Dog Color: Stainless Steel Features of Sea-Dog 327141-1 Sea Dog Rail Mount Fixed Antenna Base Allow an antenna wire to feed directly through the base Ideal for Loran GPS and CB antennas with standard 1"-14 threads (NOT recommended for whips over 8) May be mounted on either vertical or horizontal rails as well as any flat surface Corrosion resistant formed 304 stainless steel construction Includes UV stabilized injection molded nylon mounting brackets for use on 7/8" and 1" tubing Package Contents: Sea-Dog 327141-1 Sea Dog Rail Mount Fixed Antenna Base Sea-Dog 327141-1: Sea Dog Rail Mount Fixed Antenna Base