Cable access hole outlet sealer Scout PA5. For 6mm RG58 coaxial cable used for VHF antennas. Chrome plated brass and rubber insert. Water proofs a cables entry in Marine or any outdoor application. Simply the best solution to water proof a cables entry in Marine or any outdoor application. Cable access hole sealer PA5. Sized for 6mm RG58 coaxial cable used to connect VHF antennas. Chrome plated brass and rubber insert. can be installed on the exterior of houses, campers, RVs, and of course its intended use in boat consoles. does not create a break in the cable as some other designs do, this maintains the cables integrity built to last