Kable Kontrol is among top leaders in cable management industry providing top quality of zip ties for more than a decade. Our UV resistant 18 inch black zip ties are highly in demand as these cable ties are designed specially to be used in all-weather and in extreme conditions. Kable Kontrol's Black zip ties and heavy duty cable ties are manufactured from Nylon 6-6 and are also Ultra-violent resistant. These black cable ties are available in 4" to 60 Inches with 50,100, 500 and 1000 per pack quantities with tensile strength up to 250 Lbs. The strap width of these wire ties is 4.8 mm and the maximum bundle diameter 2.16” inch. Our 18 inch heavy duty zip tie is the ideal option for industrial and outdoor applications where cable ties will be exposed to a higher-than-normal amount of ultra-violet rays from the sun. These black nylon heavy duty zipties are specifically manufactured to be used for continuous or extended exposure to the outdoors, weather, and UV light especially so these are ideal cable ties for outdoor construction, electrical work, helping garden plants grow vertically and other gardening purposes, and even patching tents. Likewise, these heavy duty black cable zip ties can also be used in indoor applications, from organizing wire and cable bundles, packaging, securing items in place, bundling hoses and multiple industrial, construction, electrical, garage & office needs. Unlike other cable ties in the market our uv resistant zip ties are also UL Listed, RoHS compliant, are military grade with ASTM-D4066 PA181