Sea-Dog Sea Dog Double Female Bulkhead Cable Connector. for use connecting two PL-259 male connectors through a bulkhead. Nickel plated brass construction for salt spray resistance and electrical conductivity. Features of Sea-Dog 329951-1 Sea Dog Double Female Bulkhead Cable Connector Double female bulkhead UHF cable connector Use when connecting two PL-259 male connectors through a bulkhead Nickel-Platted Brass Nickel plated brass construction for salt spray resistance and electrical conductivity Length: 1-13/16" Diameter: 5/8" Package Contents: Sea-Dog 329951-1 Sea Dog Double Female Bulkhead Cable Connector Sea-Dog 329951-1: Sea Dog Double Female Bulkhead Cable Connector