RG6 / RG59 single coax cable wall bushing, Micky mouse ear is for ground wire to pass through.

• With knockouts
• Drill a hole from the exterior of structure, insert this wall
  bushing to allow the cable to pass through the wall
• Bushing seals hole with the cable in it from moisture, insects, etc.
• Bushing allows single cable with ground wire to pass through
• Bushing has knock-out to allow ground wire to pass through
• White in color