This Panduit plt1m-m300 cable tie is made of heat-stabilized weather-resistant nylon 6.6 and has a locking pawl for closure. It has a minimum tensile strength of 18 lb. And a bundling diameter range of 0.06 to 0.87 inches. This black-colored cable tie is Underwriters laboratories listed (UL), Canadian standards Association (CSA) certified, and European conformity (CE) compliant for quality assurance, complies with restriction of hazardous substances (RoHS) regulations, and is suitable for bundling electrical cables in temperatures up to 239 Degrees F and in outdoor locations.