**********Best Quality Cable Ties on the market, made in the USA. They contain the right amount of moisture to ensure they will not snap, or break. These industrial strength ties will outpreform anything on the market. *****Material is polyamide 6.6 (PA66) with a flammability rating of UL 94 V2. Halogen free, RoHs, and can be used in tempatures ranges from 040F to +185F (440C to +85C)*****Minimum Tensile Strength 18 lbs, plastic pawl, inside serrated. Min bundle diameter. 06, Max bundle diameter. 87.