This is a great way to keep your receiver antennas in check.  Multiple colors available for your color scheming and visibility needs.
Can be used with or without 3mm antenna tubes. Antenna tubes are not included with the purchase but you can easily find them on Amazon or a hobby shop for very cheap.  The diameter of these generic antenna tubes is very inconsistent from brand to brand, so the holes are intentionally oversized so that any of them will fit with the assistance of some CA glue or Shoo Goo.  
 
 product includes:
2x choosen  Mount Antenna Guide (ABS Plastic)