The Performance Tool Self-locking cable ties are an ideal solution for securing your items with ease. Made with top-quality Nylon 6/6 resins that are UL/CE tested for purity, and manufactured using ISO 9001 standards, these ties guarantee outstanding consistency, performance, and durability. The UV stable black nylon material is CE lab certified, approved for use in continuous exposure to outdoor sunlight, and can withstand temperatures ranging from -40 to 185F (85c), making them resistant to outdoor elements. Measuring 15 x 0.30-Inch (381 x 7.6mm) and boasting a tensile strength of 120lbs (55kg), these cable ties can hold items with a bundle diameter capacity of up to 4-Inch (102mm). Our cable ties are fully certified, including UL listed - E356742 (Type-SP21 and 99V-2 flammability), RoHS - UNSPSC 39121703, CE certified - EN 62275:2015, and ISO9001/19001 process certified, ensuring their quality and reliability.