US Cable Ties double head cable ties are great for mounting mutliple bundles of cables or as a support or positioning of a single bundle. Double head ties are made from high strength and lightweight premium 6/6 nylon and meets UV resistance criteria for a minimum of 2 years exposure. Operating temperature is -40 to 185°F (-40 to 85°C). AH-2 plenum rated and UL94-V2 flammability rating. ISO 9001 and RoHS Compliant. Double head ties are rated for 50 pound tensile strength on the primary loop and 40 pounds tensile strength for the secondary loop. Made in USA!