Hook And Loop Tie, Plenum Loop Style, 12 Inches Long (305 mm), 0.50 Inch Wide (12.7 mm), Black, UL Listed for use in plenum or air handling spaces per NEC, Section 300-22 (C) and (D), adjustable, releasable and reusable multiple times, ideal for applications requiring frequent moves, adds or changes, hook and loop material maintains network data integrity by protecting against over-tensioning of high performance copper and fiber cables, flammability rating - UL94V-2, note - minimum 2 inch overlap required to achieve loop tensile rating.