Panduit PLT4S-M76 Tefzel locking cable ties are designed for applications requiring resistance to environmental stresses such as chemical attack, gamma radiation, ultraviolet radiation and extreme temperatures. Ideal for use in nuclear power facilities and chemical processing plants. Low smoke density and excellent flammability rating of UL 94V-0. Standard cross section, 14.6” (371mm) length. For indoor or outdoor use, made of Tefzel, are a distinctive aqua blue in color and come in packages of 1000.