Antenna Mast Cable Standoff Coax TV 2 Pack Outdoor Off-Air Tube Strap-On Video Signal Run Attachment Support, Silver, silver mast strap-on standoffs (2). Allows running of antenna wire down antenna mast It helps to protect the cable from damage. Keeps a uniform distance between the antenna mast and antenna cable Come 2 in a package. For 1 1/4" ant Mast pipe