Kable Kontrol's Screw Mount Cable Ties allow you to attach your secured cable bundle to any surface you desire – communication racks, walls, or ceiling. Kable Kontrol's Screw mount cable ties have a curved tip which makes it easier to do the beginning threading that allows for an easy and quick installation. These zip ties with screw holes are available in either black or natural. Strong and durable mounted head nylon wire ties are Self Locking and have round edges which save your hands from Abrasion. It is Flexible and very simple to use. Black cable ties with screw hole are UV resistant and ideal option for outdoor applications where zip ties will be exposed to a higher than normal amount of ultra-violet rays from the sun with operating temperature ranging from -40º to 185º F or -40º to 85º C. These wire ties with screw hole are specifically manufactured to be used for continuous or extended exposure to the outdoors, weather, and UV light especially. Unlike other zipties in the market, our zip ties are ROHS compliant, are Military and Federal Grade | ASTM- D4066 PA128