I made these to strengthen the traps on my Hy-Gain AV14AVQ. The antenna is suppose withstand winds of 80 mph. Not sure what universe that's in, but it ain't this one. These were printed with poly-carbonate and just jammed around the mast and then inside the bells of the traps. No glue or screws needed. Only needed two the 40m trap was actually assembled correctly. The 10m and 15m, not so much.