2" square UV black super-stick cable tie mounts. Accepts all cable tie sizes. Also has five mounting holes that fits a #8 screw.The acrylic adhesive has greater holding power than the standard type and also can withstand higher temperatures.The sun won't fatigue these cable mounts. The UV protection allows these cable tie mounts to last longer in the sun.Made of 6/6 nylon. Operating temperature up to 185 degrees F.