These mounts contain a small tab inside the mounting hole to temporarily engage the threads, which allows assemblers to preinstall the mount on a stud before securing with a washer and a nut. For use with HellermannTyton heavy duty T120, T250, T255 and Wide Strap Cable Ties. Features Mount and tie combination makes it easy to service bundles in the field. Made from impact modified, heat stabilized, UV resistant material, ideal for heavy duty environments. Eliminates the needs for multiple sized fix diameter clamps. Specification Description Color: Black Material: Polyamide 6.6, high impact modified (PA66HIR) Operating Temperature: -40F to +230F (-40C to +110C)