Bkl gold line f plug screw in for 6 to 82mm coax cable gold plated bkl 0403423 bkl electronics 0403423 waterproof f plug with 2 rubber seals for sealing lnb connections against moisture and humidity for coaxial cable diameter 70mm gold plated bkl 0403423 gold line f plug waterproof 7mm coax cable gold plated