FIRESTIK Stud with Screw-On Coaxial Termination For Antenna Mirror Mounts. Features/Specifications: Stud with Screw-On Coaxial Termination for Antenna Mirror Mounts Made with Outstanding Design and Material Quality Chrome Plated Machine Brass and Nylon Insulators Can be Used in Any Mount or Mounting Surface with a 1/2in (13mm) Hole Features of FIRESTIK Stud w/ Screw-On Coaxial Termination For Antenna Mirror Mounts: Stud with Screw-On Coaxial Termination for Antenna Mirror Mounts Made with Outstanding Design and Material Quality Chrome Plated Machine Brass and Nylon Insulators Can be Used in Any Mount or Mounting Surface with a 1/2in (13mm) Hole Package Contents: FIRESTIK Stud w/ Screw-On Coaxial Termination For Antenna Mirror Mounts FIRESTIK K-4A: Stud with Screw-On Coaxial Termination For Antenna Mirror Mounts