US Cable Ties Fir Tree Push Mount cable ties are great for automotive, heavy equipment, and electronics usage. Push mount ties feature locking barbs that are designed to securely hold in a pre-drilled 1/4″ hole for materials ranging from about .052″ to .25″ in thickness. Push mount ties can be mounted before or after bundling. Push mount 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. Made in USA!