Particularly suitable for all your masthead needs. Having a 5mm 'N' type VHF connector and gland, to take cable dia 5mm. (RG58/URM43), also 3 separate glands to take 3 electric cables up to 9mm dia (0.35in) for connection to 9 contacts, each rated at 10 amps continuous up to 50 Volts. Enabling the VHF aerial, tri-colour, Anchor, steaming and deck flood light, all to be connected in on neat robust unit to save space and reduce the number of holes required in the deck by 12 or more.